What primary items determine the class of operation in an amplifier?
The amount of bias and the amplitude of the input signal
Which is not an important relation between electricity and heat?
Hall Effect
What is indicated on the scale of the AC meter? Effective Value (RMS)
Why are N-types FET’s superior over P-type FET’s? Because mobility is greater in electrons than in holes
When DC motor is running at its rated speed, increasing the field current
Increases the speed of the motor
The problem caused by RF amplifiers by loosely coupled transformer and too narrow Bandpass can be reduced by using
Optimumly Coupled Transformer
What fuses are used to protect delicate instruments and semiconductor device?
Fast Fuses
The _______ of an amplifier is determined by the inductance and capacitance of the circuit.
Upper Frequency Response
What happens to the data stored in RAM when power is interrupted?
It is lost
What electrolyte has more active ingredients?
The on that has the bigger value of specific gravity or one that is heavier per unit volume What IC is formed by sputtering material on a ceramic substrate?
Thin Film IC
The turn’s ration of the step-up transformer is Less than unity
When is the potential will in a transistor increased in height?
When the emitter is reverse-biased What is the purpose of the screen grid?
To reduce interelectrode capacitances What is the turn’s ratio of a step-down transformer?
Greater than unity
When starting a differential compound motor, it is best to short the series field in order to avoid
The starting motor in the wrong direction What fuses are commonly used for automobiles, lightning circuits and electrical power circuits?
Standard Fuses What is the rotating part of a motor?
Rotor
What capacitor is used to transfer unwanted signals out of the circuit?
Bypass Capacitor
What refers to the time for the voltage to increase from 10 % to 90 % at the maximum amplitude point?
Rise Time
How much in terms of the working voltage should the replacement be in replacing a capacitor?
At least 10% to 20 % higher
What is the product of the pulse width and the pulse repetition frequency?
Duty Cycle
What meter movement is used when current is induced in a thermocouple by heating the resistive element and current is measured in the circuit, AC or DC?
Thermocouple Meter Movement You are asked to check up p.f. of an electrical load. There I no p.f. meter available, what should you used?
Ammeter, voltmeter and wattmeter In the usual test oscilloscope, the vertical sweep is produced by virtue of the _________.
Input signal being measured
What is the plot of the frequency versus amplitude shown on the spectrum analyzer display?
Frequency Domain
What amplifier is the two-transistor Class B amplifier? Push-Pull
Why are DC motor and relay mainly used in robots than in AC motors?
Because they can withstand large overloads What is the degree of the measured value to represent the true or accepted value of a quantity?
Accuracy
In navigation, the smallest signal capable of producing a recognizable change in positional information.
Threshold Signal
What are the primary parts of a 3-phase induction motor? Rotor and Stator
Many of the new type of table top educational robot use what robots (motors)?
Stepper
What is an indication of the resistance of a meter express on ohms per volt?
Voltmeter Sensitivity
What circuit varies its inductance and capacitance to produce FM signal?
Reactance Modulator
What is automatically compensated in a wattmeter? Power Factor
The ratio of the utilized flux to the luminous flux leaving the lightning fitting.
Utilance Maximum motor end play.
0.4 mm
Schering Bridge measures ___________. Capacitance
Hay Bridge measures ___________. Inductance
Wein Bridge measures ____________. High Frequencies
Bucholz relay is used as _______ protection. Transformer
2 kinds of check in troubleshooting power supplies. Signal and Visual Trace
Structure or part of the magnetic relay structure at the end of the coil, opposite the armature.
Heelpiece
Supports the armature and completes the magnetic path between it and the core of the coil.
Heelpiece
What is one characteristic of a single phase motor? It is not a self starting
What is usually used to measure high AC voltages? Potential transformer and voltmeter What determines the resonant frequency of a crystal?
The size and thickness of the crystal material What is the power dissipation of a class C amplifier?
Very low
What amplifier in which the response is linear for weak signals and logarithmic for large signals?
Lin-log Amplifier
What moving force in analog instrument causes the moving system to deflect from its zero position?
Deflecting Force An SCR has ho many junctions?
3
What are the primary disadvantages of electrolytic capacitor than paper capacitor?
It has polarity
It has a low leakage resistance
A technique for the coordination of different asynchronous devices in computers.
Handshake
98%
What is the most commonly used device for detection in radio receivers?
Diode
Which of the following is not a characteristic of ideal transformer?
It has leakage flux What is the dissipation factor of circuits?
It is the reciprocal of quality factor
What happens to the true power if the inductance of a series LR circuits is increased?
It decreases
What are the disadvantages of Nickel Cadmium over Lead Acid battery?
Can be charge in shorter time, can deliver larger amount of power, and stays idle longer What determines filter response characteristics?
Damping Factor
Picking up of the same station, short-waves at two nearby points on the received dial.
Double Spotting
Any small elements of space in the path of the wave maybe considered as a source o secondary wavelet.
Huygen’s Principle
What is added to the sawtooth generator to produce trapezoidal wave?
Resistor
What is the typical value of tantalum electrolyte capacitor? 1 µ F to 1000 µF
Handshake means
No message is sent
A basic voice band has how many channels? 8
Uses bimetallic element that is heated by load current and bends due to this heating.
Thermal Trip Element
What type of power should be used on a touch switch circuit?
Lower-power DC When should we use a (crystal) oven?
When very high accuracy is required The smallest increment of a quality of a meter can measure.
Resolution of the meter Speed of sound in wood.
3,300 m/s
A BMV is a _________ oscillator. Triggered
What will happen to the motor if there is an open circuit in the rotor of a …?
Motor will not start
What will a change of current in one coil cause a change in another coil if they are coupled in a single coil?
A change in inductance Where does the word “transistor” came from?
Current transferring resistor What type if circuit is the semiconductor ROM?
Combinational Logic Circuit What particle radiation consists of single changed particles which can penetrate intermediate distances?
Beta particle Radiation
What is the best indication of an open circuit or infinite resistance?
Heating at the end poles
The resistance ratio is the ratio of the hot resistance to the cold resistance. What is the resistance ratio of a thoriated tungsten which his used as a cathode material in tubes?
10 : 1
In a 1/8 – watt resistor, what is the maximum change in resistance of the resistor during the 1000-hour rate load test?
12 %
In a closed servo loop system, it is BIBO if __________. Output is bounded for any bounded input Who invented the first electrical instrument that helps the agility of an object to attract called verserium?
William Gilbert
Which of the following technique is used to developed thick IC film and manufacturing?
a. Thermal Growth
b. Chemical Vapor Deposition c. Evaporation
d. All of the above
What materials is the most commonly used and developed laser?
GaAs and AlGaAs
What are the factors that determine the amplitude of he voltage induced in a stator winding?
The amplitude of primary voltage, turns ratio, the angular displacement between rotor and stator windings
What are the two types of checks used for troubleshooting power supplies?
Visual and signal tracing
What part of switch is acted upon which cause the switch to change contact connection?
Actuator
The Wein Bridge is used to measure __________. High frequency
What equation signifies the equivalence of matter and energy?
Einstein’s Equation
How many subshells are there in n=4 shell? 4
What is the function of the pilot cell in storage battery? To indicate the condition of the entire battery
What is the purpose of frequency determining networks in an RF amplifier?
To provide maximum impedance of the desired frequency The armature torque in a DC motor is a function of its ____________.
Both field flux and armature ….
What is the number of free electrons in a cubic inch of copper? 1.64 x 1024
Why does high impedance have lower copper losses than low impedance? Because high impedance have lower contents for a given power level
The resistance between the primary and secondary windings in a transformer should be __________.
Infinity
What happens to the reactive capacitance if frequency is decreased? It increases
What is a repulsion motor which has 2 sets of brushes, one fixed and the other movable?
Deri Motor
An open circuit CD motor armature will draw _______ current. High
What happens if a D-flip flop is triggered? Output state reverses
What is the measure of the portion of the radiation or sound wave absorbed by the material?
Absorptivity
What do you call a 4 bit data word? Nibble
When will you observe safety procedures/measures in as far as batteries are concerned?
All the time
A software tool that interprets high-level language program one statement at a time.
Interpreter
An instrument that can measure the concentration of substance by absorption of nearly monochromatic radiation of wavelengths selected by the filter of by simple radiation-dispersion.
What is a 3-phase full wave rectifier circuit that uses six rectifying elements?
Gratz rectifier
“Flat Amplifier” is meant one that ___________. Responds equally over a wide range of frequency
Shunt generators is most suited for stable parallel operation because of their _________ voltage characteristics.
Drooping
What is the input impedance of an ideal OP AMP? 50 Ω
What should be fitted at the point where cables enter or leave conduits?
Smooth Brushes
What is a precision component which resembles a small motor and has an output voltage proportional to its shaft rotational speed?
Rate Generator
What is a position in the switch in which the actuator stays as long as the force is applied to the actuator?
Momentary Position
What is a FET having higher input impedance because it’s gate is insulated from the rest of the device?
MOSFET
What is the purpose of the buffer battery?
It decreases the variation in current and power in a DC generator.
What is the deadlock that occurs when the program references different page for almost every instruction with bases memory for virtual memory?
Trashing
What is the disturbance similar to over voltage but shorter time duration where line voltage exceeds to 110% of the bbbllllaaahhhhh…is
Surge
What bonding occurs in which attraction of forces results from external interaction of electron gas with ionic lattice?
Metallic Bonding
Identifying feature in Colpitts Oscillator? Split Capacitor
Range of frequency where wideband amplifier can amplify?
10 Hz – 6 MHz
Amount of energy required per charge…… Electric Potential
Typical dielectric suitable for capacitor applied in RF? Air, Mica, Ceramic
In industry heating, hyperfrequency is taken as that frequency to be _______.
Excess of 300 kHz
When an average 1 V is produced in turn of wire if the flux passing through that turn changes at the rate of 108 Maxwell’s per second.
Fundamental Law of Generator Action
Why is it that non-magnetized piece of iron has high permeability?
Because the …..of magnets (Weber’s theory) or the direction of e- spin
(Domain theory) are able to be aligned by the magnetic field.
How are bar magnet aligned?
In the pair, with opposite sides together to provide completer path of magnetic field. What is another term for tooth belt?
Timing belt
What is a modem having its run package and its own cable to plug to comports/serial ports on a computer or data device?
Stand-alone Modem
A torque parameter of a motor used in effectively starting a load from rest?
Starting torque
What does it mean when we say that reading from a bubble memory is non-destructive?
The data is still present after reading What is the purpose of masks?
To reduce patters on the substrates of the material
What type of devices that are susceptible to static charges and therefore requires special handling?
FET & CMOS devices
What amplifier when the output signal is too large over the input signal?
Power Amplifier
What is the ratio of the volume of the cell to the volume of an atom?
Packing Factor
What is the term in which the computer is also to perform a lot of calculations for a very short time?
Number Cruncher
What shortage cell in which the electrodes is a grid lead containing lead peroxides during charging and discharging and the electrolyte is sulfuric acid?
Lead-Acid battery
What is produce when mechanical stress is placed on the x-axis of the crystal?
An electric voltage will appear across the Y-axis
Where is ampere-hour related to? Storage cell/secondary cell
The term for illicit copy and used for computer programs used by people over billion of years programmed by most of the computer developers?
Software Piracy
When pair of electrons both functioning together or functioning in concert, in which the electrons of 2 atoms are joined by covalent bonding?
Electron-pair How are most batteries determined?
By there nameplates What is the purpose of equalizer?
To make the over compounded parallel DC generators stable
How many degrees of freedom for a solid object? 6
How are magnets normally stored?
Two opposite poles in parallel together The universe is composed of what part most?
Matter and energy
What are the requirements of a circuit to oscillate? Gain is high
Feedback is positive
Coupling between input and output is good What is the purpose of an IC package?
To protect an IC from damage for easier handling How is static charges created?
By friction
What is the purpose of a no-load test on a transformer? To determine magnetizing current and loss What is the atomic weight of an element?
Equal to the sum of the # of protons and the # of neutrons in the nucleus
What is the ration of an iron current in a vacuum tube to the electron current that produces it?
Gas ratio
What happens to the resonant frequency when the inductor and capacitor values are increased?
Decreases
What is the process by which chemical energy is formed into electrical energy? Electrochemical action
What is the simplest type of tube capable of amplification? Triode
What is the input resistance of a common base amplifier? Very low
What is the deadlock situation that occurs when the program references to a different page for almost every instruction and there is not even enough real memory to hold most of the virtual memory?
Trashing
The cross connection of two conductors in a multi-contact cable may be located by using what device?
What method of current limiting is used in a voltage regulator?
Foldback Current Limiting What do FET and vacuum tubes have in common?
Voltage Controls Conduction
What is the required interval following the active edge of the clock signal in which the control inputs must be held stable?
Set up time
What theory explains the interaction phenomenon between matter and wave?
Quantum Theory
In an N-type semiconductor, the Fermi level is Above the center of the energy gap What is isolation?
The electrical separation of elements What beam in missile guidance radar is very wide?
Capture Beam
What is the rapid stopping of electric motor caused by the momentary reversal of its connection to the supply?
Plugging
It is a standard message used in testing teletypewriter circuits and message, since it includes all alphanumerics?
Fax Message
A technology of bring fiber optic all the way to your home? Fiber to the Home (FTTH)
A technology of bringing fiber optic a few hundred feet to your home?
Fiber to the Curb (FTTC)
A machine with a single field structure and an armature with two armature windings and two commutators?
Dynamotor
In motors, what is a no-load loss, but not an electrical-core loss?
Windage
A sealed tube, either highly evacuated of containing a controlled quantity of gas, that makes electron sufficiently mobile and act as a principal carrier of at least one pair of electrodes, controlled by one or more additional electrodes?
Electron Tube
What will happen if the source bypass capacitor is removed from a common-source amplifier?
Voltage gain decreases Accumulation of dirt in generators will cause
Overheating, flashover and poor voltage regulation
An emission that occurs when electrons are liberated from the surface of metals and compounds as a result of absorption of electromagnetic radiation.
Photoelectric emission What logic family is the fastest?
Emitter-coupled logic ECL What is an electronic oscillator?
An amplifier with feedback What is the advantage of transformer coupling?
Fewer components than capacitive coupling and provides increase in gain A characteristic of atom in ionic compound is the number of closest (touching) atoms.
Coordination Number
A group of flip-flops has the capability of storing true or false logic levels, in which all are enabled by a single control line.
Quad Latch
A data transmission that operates on a direct current? Step-transmission System
The most economical method of measuring no-load loss of a large DC shunt motor is
Swisburne’s test
The method used to eliminate the used of inductive elements in an IC?
RC synthesis
What is the purpose of shielding the motor with the soft iron?
To protect the meter movement from stray magnetic fields
Because the total energy and momentum are conserved in the collision, the wavelength of the scattered radiation undergoes a change that is depending on the scattering angle. In line with this, what do you call the elastic scattering of photons with electrons?
Compton Effect
A cross-connection between conductors in a multi-conductor cable maybe located by the use of what?
Varley Loop
What device is used to input information to the computer by holding it towards the screen?
Lightpen
The frequency of oscillation of an AMV is determined by what value?
RC values in the circuit What amplifier is an OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)?
Voltage-to-current converter
If the fifth color of a carbon composition resistor coding is red, what is the failure rate?
0.1% / 100 hours
What is the purpose of a buffer amplifier? To reduce the interaction between oscillator and load
What is the purpose of electrolyte in cells?
It is the solution that acts on the electrodes What is the most important advantage of temporary magnet?
Magnetic flux is changeable
The percentage of the given output voltage with the change in load current.
Load regulation
A wave composed of two alternations equal in time and square in appearance.
Square wave
The motion of charge particles, especially colloidal, through a relativity stationary liquid under the influence of applied electric field by the immersed electrode.
Electrophoresis
Essentially a tuned-circuit which uses a quartz crystal as a resonant tank circuit. Crystal oscillator
An oscillator that has a sine wave output of constant amplitude and fairly constant frequency within the RF range.
Colpitts oscillator
When primary electrons impinge on a surface with velocities greater than the critical value for each material?
Secondary emission
Part of circuit breaker that confines and divides the arch that occurs when the contacts of the circuit breaker opens?
Arch Extinguisher
The current that is produced when the valence electron transfer from one hole to hole, causing the holes to be displaced to the other side?
Hole Current
The average time the head moves from one location to the next location? Average Seek Time
The advantage of the bridge rectifier over the conventional full-wave rectifier? Twice the voltage with the same transformer side The small fuse with a spring at the leads, in which when the fusing wire is applied on the actuator.
Momentary Position
What is the main purpose of using interface transformer with multi-anode rectifier?
To cause anode to overlap when firing In what year the World Wide Web has conceived?
1991
What determines the magnetic flux density of a long straight wire? The current flowing and the perpendicular distance A class B push pull amplifier has the main advantage of being free from _______.
Even order harmonic distortion
What type of radar transmitter power is measure over a period of time? Average Power
What is one alternation of a square wave called? Pulse
What is the combination of two point charges having the same magnitude but opposite in polarity separated by a distance small compared……..
Doublet
What type of load that causes voltage regulation of a transformer to negative?
Capacitive
What class is employed in the driver of the amplifier? Class A
In a 3-phase induction motor, the relative speed of stator flux with respect to the _________ is zero.
Rotor Flux
What term is used to describe a technique for depositing passive circuit elements on an insulating substrate with a coating to a thickness of 0.0001 cm?
Thin Film
What electronic device uses one or more saturable reactors to obtain a large power gain?
Magnetic Amplifier
What is the approximate thickness of the wafer obtained in splicing process?
1/1000 inch
What is the combination of two point charges of equal; magnitude and opposite polarity separated by a distance small compared with that of which the field of the dipole is to be determined?
Doublet
What is the “roll – off “in op-amp? Gain Reduction
What is an inductively coupled device used for following current paths to determine the cause of low-impedance faults on the PBC?
Current Tracer
What is the charge-to-mass ratio of an electron? 1.7588 x 10 11 C/kg
What is the production method to prevent unwanted interaction between elements within the chip?
Isolation
What IC advantage translates into less downtime? Reliability
What is an entity that offers, for a free, a server computer and the software needed to access the computer?
Internet Service Provider ISP What particle consists of two and one up quarks?
Neutron
How many RS flop-flop are required to store the number 1001012?
6
What is produced by exchanges forces between atomic moments?
Ferromagnetism
What is the function of differential relays?
To protect the equipment against internal faults
What is the circuit or portion of a circuit package to a removable unit?
Module
The average time to move a head from one location to a new location?
Average Seek Time
In switch, what refers to the number of different circuits each pole can control?
Throw
Used in measuring or detecting potential differences, electric charge and indirectly, electric current by means of mechanical forces exerted to two electrically charged bodies?
Electrometer
A sensing element made up of thin-walled tube formed of deep convolutions at one end, whose displacement can be then made to act on a transduction element?
Bellow
Since frequency affects capacitive reactance and inductive reactance in opposite ways, and since capacitive reactance causes problems with high frequency response, inductors are added to an amplifier circuit to improve the high frequency response. This is called _________.
High Frequency Compensation
A method of determining resistance through measuring the current flowing through a resistor with an ammeter and measuring the voltage drop across the resistor and computing the resistance through ohm’s law?
Voltage Drop Method
How many input combination exist in a 4-input AND gate?
16
Why is error-rate damping effective?
Because the circuitry can anticipate the amount of overshoot before it takes place What is a critically damped meter?
A meter that corrects reading and has no overshoots
What is the advantage of CMOS over other devices? Lower Current Consumption What is the required power supply voltage of a TTL series IC?
5 Volts
Refers to some special material whereby when an electric current is impressed on them, their resistance changes with light?
Actinoelectric Effect
What is the difference between the monolithic IC and a thin film IC?
Monolithic IC has active and passive elements while thin film IC has passive elements only
One or more computers on an installation that is online and processing data?
Active Computers
Maximum distance between features on a chip in an IC fabrication?
Geometry
Vacuum tube in which an electron produces large amount of secondary electrons through the collision to anode, generally the process is repeated in a number of stages to attain greater amplification?
Electron Multiplier
The difference between the transmitted frequency and the received frequency in an FM transmitter.
Travel Time
Where is the starting winding of a single phase motor? In the stator
Act of persuading people to tell their password? Social Engineering
Software using hierarchical structured menu to organized and search the internet?
Gopher
Harmonic drives in robot transmission have ________. High reliability
Robots or machines that resembles human? Android
Classification of IC: Monolithic Film Hybrid
Maximum number of inputs of a summing amplifier? As many as possible
An amplifier used for application where small signals are embedded in large common mode noise?
Instrumentation Amplifier
What elements are produced by evaporation or cathode sputtering techniques? Thin-film Elements
Foucault current is commonly known as _____. Eddy Current
As compared with straight spur gears, helical gears have Less backlash
SCARRA robots are specially design for what type of operation? Assembly
An act of balancing the arc bridges by making successive adjustments of two parameters until a null is obtained at the detector?
Balance Converging
An instrument used to measure the degree of oxygenation of the blood?
Oximeter
Displacement of a moving joint about an axis perpendicular to the line of motion and to the top of the body?
Yaw
Where was the silicon accelerometer developed? Stanford University
Another term for thermal neutrons. Slow Neutrons
Maximum frequency response of magnetic amplifier? 100 Hz
What lead is often omitted in a phototransistor? Base
Time for electromagnetic energy to travel one nautical mile and return to source?
12.36 µ sec
Who theorized that light is a universal probe? Michael Hart
A type of memory that stores data on array? RAM
Generally refers to IC containing 1000 to 2000 logic gates or 1000 to 64000 bits of memory?
Large Scale Integration LSI
Device used to detect the presence, polarity and in some configurations, the magnitude of electric charge by mutual attraction or repulsion of metal foils or pith balls?
Electroscope
Instrument used to record the activity of the brain? Electroencephalograph EEG
A device that provides 2 output signals which differ with a single input signal?
Phase Splitter
A common computer command that moves a piece of paper in a printer all way throughout so that the paper can be removed?
Form Feed
A limiter circuit in which the diode is in series with the output and it can limit the positive or negative alteration of the input signal?
Series Limiter
Programming a continuous-path robot? Walk-through
The number of spontaneous disintegrations of a radioactive isotope?
Activity
Several disks comprising a hard disk or hard drives? Platter
What determines the magnetization force required in an air gap?
The gap length and flux density
What is the characteristic sign of magnetic susceptibility of ferromagnetic materials?
Positive
A transistor that most closely resembles a vacuum tube in its operating characteristics?
FET
A moving system force in analog instruments that insures a deflection of a pointer in a given value of the measured quantity which always has the same value?
Controlling Force Why is class B transmitter biased?
So that it is at cut-off half of each cycle Factor of magnitude in an IC component density?
10
Small circuit considered as single set composed of element within or in a singe substrate?
Microcircuit What is contained in a relay?
Coil and a set of switch constants
The third best conductor of electricity? Gold
The energy density of a Leclanche Cell? 30 watt hour per pound What are magnetic core storage made of?
Tiny doughnut-shaped rigs made of iron ferrite
What system refers to generating, sending, retrieving, storing, or otherwise processing of electronic data messages or electronic documents, which includes computer systems and other similar devices, by or which data is recorded, or stored, or electronic data message or electronic documents?
Information and Communications Systems The primary disadvantages of gallium arsenide compounds?
Expensive to produce
What is the reason why general purpose diode is more likely to suffer avalanche breakdown rather than zener breakdown?
It is likely doped
What is the proper biasing of a transistor to be used as an amplifier?
The emitter-base junction should be forward-biased and the base-collector junction should be reverse-biased What spectrum that is composed of cosmic ray photons, gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation, microwaves, radio waves, heat and electronic current?
Electromagnetic Spectrum
In class C amplifiers, the output power increases ______. As the conduction angle increases What happens to the permeability of an iron core as the current increases from operating point to a large valve?
Permeability decreases
In phototube, the average number of electrons photoelecrically emitted from the photocathode per incident photon in a given wavelength?
Quantum Efficiency
What is the most important thing to remember in troubleshooting? Safety precautions
What are the two stability requirements of an oscillator? Amplitude stability and frequency stability
In a class A amplifier, conduction extends over 360º because the Q-point is _______.
Centered on the load line
What type of coupling is usually used to couple the output from a power amplifier?
Transformer Coupling
How many individual memory cells would be contained in a memory IC that has 4 data input/output pins and 4 addresses pins for connection to the address bus?
64 memory cells
What material is used by temporary magnets as a magnetic material? Soft Iron
The maximum efficiency of a class A amplifier, with a transformer-coupled load?
50 %
In RF oscillation, the shock excitation in the resonant circuit (cavity)? Ringing
What input combination produces a logic one output using a three-input combination NOR gate?
000
A type of MOSFET that can be independently controlled by two separated signals?
Dual-gate MOSFET
Maximum time (?) that can be obtained using a standard single-stage 555 monostable multivibrator circuit?
11,000 seconds
Absorption of slow-moving electrons by intervening matter? Ramsauer Effect
Material used in photoconductive sensors for wavelengths longer than 1.1 µm? Silicon
What is the effect of armature reaction? Decreases total flux
Why is the secondary of a current transformer shorted at operating conditions?
To avoid core saturation and high voltage induction
How thick film IC produced? Screening
What is the function of a megger?
To measure insulation resistance What determines the rate of discharge of a capacitor?
Value of the capacitance and load resistance What is the curie temperature of iron?
770 ºC
What electronic circuit can be active (use of external power) or passive (use of resistor, inductor, and capacitor) that is attached to a twisted copper wire to even out their characteristics?
Balance Circuit
What is the major power supply used in MIG welding? DCRP
What measures how well a bipolar transistor amplifies a signal?
Dynamic Current Amplification
What is the full scale deflection current of a moving coil instrument?
50 mA
A face-plate starter is employed in what type of motor? Direct current series
What do you call the technology of bringing fiber within a few hundred feet of your home?
Fiber to the Curb (FTTC)
What is the charge of an electron in electrostatic unit (ESU)?
1
What unit is measure of how fast a computer can carry out a mathematical calculation?
Megaflop
What is the difference between a common gate amplifier from both common source and common configurations?
A much lower input resistance A generator uses what method to produce voltage?
Magnetic Method
What is a rotary or electromechanical device used to perform trigonometric computation by varying the magnetic couplings between its primary and secondary windings?
Resolver
An ideal electrometer tube (used for amplifying small electrostatic potentials) has _____ input impedance.
Infinite
What is measured by a wattmeter? Average Power
What is the range of state in the free-energy spectrum of a solid in which electrons can move freely?
Conduction Band
Compensation in an op amp _______ bandwidth and ________ slew rate.
Reduces; increases
What is the basic principle of a magnetic amplifier? A change in induction in a series LC circuit that causes a change in the true power What is the conductivity of pure annealed silver wires?
108.8 %
What is the noise factor of an ideal amplifier? 0 dB
How many junctions are there in a photoresistor? 0 or none
What is meant by DVD? Digital Versatile Disk
A computer which is an interconnection of an analog computer and a digital computer plus converting equipment where each contributes its special advantage to a part of the solution of a class of complex problems?
Hybrid Computers
Which has the lowest insulating property? Air
What is the best insulator? Mica
Which is not a variation of the 555 timer? 3905
In a leading power factor, the armature flux in an alternator _______ the total flux.
Aids
What motor starter is required with means of varying the speed of the motor to which it is connected?
Controller
What is another term for compensation theorem? Substitution Theorem
An op amp for general purpose or use? LM101A
A device that detects a change in resistance with temperature in semiconducting metal oxides?
Thermistor In DCSP, _______ is the hottest.
Electrode
What is the sensing element in an acceleration transducer?
Seismic Mass
What was the programming language in the 1950s for engineering and scientific works?
FORTRAN
What is used as a pre-emphasis, or to increase the amplitude of a given band of frequencies usually audio?
Accentuator
Converts AC current to DC current? Synchronous Converter Crossover distortion occurs in _____.
Push –Pull
How is parallax error eliminated?
By adding a mirror on the meter scale
What is the hidden program introduced to a computer whose information is transferred from a floppy disk? Once inside, they ‘breed’ spreading throughout the computer file and then to other systems with mild to catastrophic effects
Electronic Virus
A deadlock situation that occurs when a program references a different page for almost every instruction when there is not even enough real memory to hold most of the virtual memory?
Trashing
Inferred absolute temperature of annealed copper? 234.5 ºC
Another term for stand alone modem? External modem
A diode formed by metal semiconductor which consists of aluminum and N-type silicon/
Schottky Diode What is the robot’s hand called?
End – Effector
A register that stores numbers for arithmetic calculations. Accumulator
It enables you to determine the bandwidth, low frequency and high frequency and high frequency limit of amplifier.
Frequency Response Curve Fully –charge alkaline cell.
1.5 V
Fully-charge lead-acid cell. 1.3 V
A transmission method that uses a CW reference oscillator, which is locked with the transmitter frequency?
Pulse Doppler
An armature winding that requires a commutators pitch that is to be so chosen…..
Duplex Wave
Relationship between the output circuits to provide a maximum power transfer. Equal Impedance
A device used to deposit materials on a substrate? Wafer mask
A circuit breaker that can be held ON during overcurrent condition?
Nontrip-free circuit breaker
What is the approximate duration of a transient period? 5 time constants
An integrated OP-AMP has how many inputs? 2
What are the requirements when selecting a primary cell as a power source?
Cost, size, ease of replacement, voltage or current needs
What class of operation has the highest fidelity? Class A
What part of the transformer is most susceptible to damage by overheating?
Insulation Winding The relation of hysteresis and frequency.
Directly proportional
What tool is used to adjust contact spaces on a relay? Point bender
What works upon a principle that increasing a current through a coil decreases the permeability of the core; the decrease in permeability decreases the inductance in the coil; which causes an increase in current (power) through a load?
Saturable-core Reactor
What are some of the uses of GaAs technology? LED, Infrared Emitting Diodes, Visible Light Detectors
How is the damping of the meter motion in D’Arsonval meter movement achieves?
Eddy current in the movable coil frame What are the components of a harmonic drive used in robot transmission system?
Wave generator, Flexspline, Circular Spline
How would the compass react when the alternating current through the conductor was at high frequency?
The needle of the compass will vibrate rapidly around the zero-current point AC meter (Magnetic North)
Where do electrical faults in motor occur frequently? At its control equipment
What is the simplest type of switch? Toggle Switch
What is the energy density of lithium cell? 90 Watt-Hour per Pound
What type of memory often uses instructions and programs permanently stored inside a computer?
ROM
What refers to instruction generated, sent, retrieved, or stored by electronic, optical or similar means?
Electronic Data Messaging
What is the permanent programming on standard Read-Only Memory?
Firmware
What is the effective means in protecting hybrid microcircuits or IC from moisture and the effects of harsh environment?
Hermetic Package
What is achieve by an external potentiometer that sets the output voltage to a precise zero when there is no input voltage?
Input Offset Nulling
What occurs in a capacitor as a result of the leakage current through the dielectric?
Dielectric Leakage
What is the science of interaction or interconvention of electric and acoustics phenomena?
Electroacoustics
What made refers to flip-flops in the counter when all clock inputs of each of the stages are connected in parallel?
Synchronous Mode
What phase difference in the input and output of a common emitter?
180º
Electrostatic field in a PN junction since electrons and holes must overcome this field?
Barrier
An electron tube that emits photoelectrons when cathode is illuminating?
Phototube
Maximum efficiency of transformer-coupled class A amplifier?
50%
Most common used of anthromorphic-type robot arm? Paint Spraying
Ratio of charge to mass of proton. 9.578 x 107 C/kg
Printer type that uses spray of ink to form characters in a page?
Ink Jet Printer
Refers to the actual output of transducers to that of ideal transducer in the same condition?
Absolute Efficient
High level language programming that is function-oriented and can be used to control low level machine?
C Language
Scale in an indicating instrument whose each deviation is of the same value in known as _______scale.
Linear
What is achieved in controlling the gain of an isolator? Gain Stability
In a common collector, voltage gain does not exceed _____.
Unity
Major identification of how much is the motor’s maximum operating temperature.
Motor Class
What happens to the gain when input signal impedance increases? Increase
Two transformers operating in parallel, share the load that is dependent on the transformer’s _______.
Rate
Materials used into pointers of indicating instrument. Aluminum
Measures the ability of OP-Amp to reject common mode signals. CMRR
Color of the plate of a fully charge Lead-Acid. Deep Chocolate Brown
Conductivity of a 99.99% pure gold. 72.6 %
Measures the ability of the user to conduct a search in a database. Hit Rate
Other term for non-servo robot or open loop robot. Fixed –stop robot
Computer design in which silicon transistor in being replaced by a single molecule and a single part.
Molecular and Dot Computers Electrolyte present in film/hybrid IC?
Ceramic or Plastic
Pairs of plates used to have good electrolyte in wet cell batteries. Zinc and Copper
How is IF transformer in a radio receiver tuned?
By moving the transformer core in and out of the transformer’s winding
Amplifier with least distortion. Class A
Theorem which applies only to passive networks? Reciprocity Theorem
Oscillator which provides good frequency stability over a wide range of temperature variations and circuit parameter?
Keyed Oscillator
Process of transferring information to the active computer from a standby computer?
Backtalk
Band of frequency an amplifier can amplify? 15 Hz to 20 kHz
The most common form of coupling stage? Transformer Coupling Op Amp for general purpose/use?
LM 101A
Instrument used to measure potential difference, electric charge, indirectly current produce by mechanical force exerted by electrical bodies?
Electrometer
Program that serves as the brain and nervous system of a robot?
Controller
Refers to the person by whom or whose electronic documents purpose that have been created, generated and/or sent?
Organizer
Composition by lubricating grease. Oil and Soup
A thin, plastic cover with a large amount of information inside it.
Microfiche
Greatest heat energy loss in DC machines. Copper Loss
A digital bipolar IC that is operated at either saturation or cut-off.
TTL
A semiconductor device that contains a diffused source and brain region in a P-N channel region.
MOSFET
A law that states true on one part of an expression will be true in all part of an expression.
Law of Identity
How would you increased the operation of a small PC processing system which currently I/O limited since the memory is limited to 1 MB.
Add more main memory
Used to bias magnetic amplifier in order to keep free from control (input) signal.
Bias winding and additional circuitry Method use to deposit many types of material in a highly evacuated chamber in w/c the material is heated electrically.
Vacuum Evaporation Method
What are the four main types of secondary (wet) cells? NiCad
Lead Acid Silver Zinc Lead Zinc
In magnetic amplifier, what allows the DC bias applied to saturated core reactor while AC control signals are applied to a separated core winding?
Bias Winding
What bearing of an electronic motor should be oiled regularly?
Sleeve Bearing
What is the difference between the actual rotor speed and the synchronous speed in the induction motor?
Slip
On DIP and flat-pack IC vied from the top, pin 1 is located on which side of the reference?
Left side
What is the cause of gain variation with frequency? The presence of capacitance, both internal and external
What is an essential feature of an autotransformer? It uses only one winding
The operating temperature of class B motor is 130º
The DIP and flat-pack pins are numbered consecutively in what direction?
Counterclockwise
What are the two basic types of magnetic devices that are used as error detectors?
E-transformer and Control transformer What is the most efficient method of increasing the speed of a 3.7 kW DC shunt motor?
Flux Control Method
What are the characteristics of submerged is process? High wilding current, exceptionally smooth beads and deep penetration
What is the purpose of built-in gate protective zener diode in MOSFETS?
To prevent the gate insulation from being punctured by small static charges and excessive voltages
Why do electrons escape from hot metal surfaces? Because of higher energy supplied than the work function
What is produced by orbital of spin moments of electrons, or both, as well as by the moments of free electrons?
Paramagnetism
What is the purpose of hermitically sealed housing used in crystals?
To keep out moisture and dust
A circuit breaker must be equipped with what trap for remote operation?
Shunt Trip
What device is clipped to the in-circuit, dual-in-line package (DIP) logic IC to determine the logic state of each pin of the IC?
Logic Chip
A method that is useful in measuring insulation resistance and other high leakage resistance?
Loss-of-charge method
The reciprocal of wavelength. Wave Number
What is the main operation of buffer?
To acquire data and temporarily store it until another device such as DC and server, require to download it
Shock Wave is a form of wave therapy…..is connected to what part of the body? Brain
What is the purpose of SiO2 layer of IC’s?
To prevent shorting of elements in the interconnection What is the atomic mass unit (AMU)?
1.66 x 10 -27 kg
What happens to the true power of the load when inductance increases in an LR resonant circuit?
It decreases
Zero power factor method is used to determine Voltage regulation
At what angle does the conduction current….is at maximum? At 90º
What is the earliest form of micromodule? Cordwood module
What type of bias is used in the operation of a photodiode? Reverse Bias
What coupling is used at high frequencies? Impedance Coupling
What theory states that, for the purpose of computation, a resistance can be replaced with a voltage equivalent to IR?
Compensation Theory
What feature of an Op Amp prevents it from hanging up to a certain logic level (i.e. high or low) when there is no power supplied?
No Latch-Up
What type of radiation extends only to a small distance because the particles are subject to electrostatic and other factors?
Alpha Particle Radiation
Components with excessively discrete elements belong to what type of electronics?
DC motor produced excessive sparks at the brushes. This is attributed simply to overload in the motor. This statement is ________?
Sometimes true
Heavy atoms have more ______ than ________. Neutrons; protons
Can be a battery be recharge by adding more electrolytes? No
What variables are used in power calculations performed by a calorimeter?
Temperature Mass Time
What is the purpose of phase log compensation in an Op Amp?
To make the Op Amp stable in low values of gain
A technique of batch producing ICs with the electrodes extending beyond the wafer edge?
Beam-Lead Process What rectifier uses only one diode?
Half Wave Rectifier
Electric resistance beam welding uses what electrode? Disc
What will you use to measure the back EMF of a Weston Standard Cell?
Potentiometers
What is the correct value in maintaining the electrolyte of battery?
Just above the separator
What is the normal open voltage of a mercury oxide? 1.35 V
Lattice which concerns only the position of the lattice points in a crystal.
Bravais Lattice
Device that converts dc power in a predetermined frequency.
Oscillator
To achieve maximum power in dc motor, the back EMF should be…
Half of the input voltage
Size of a dry cell with largest diameter. D
What should be done to increase bandwidth and decrease gain in an Op Amp?
Adding negative feedback
Type of current limiting used in voltage regulator? Foldback current limiting
Device which controls the gain of magnetic amplifier. Saturable core reactor
What material slightly increases its resistance when temperature rises?
Alloy
What is the advantage of JFET over BJT? Less internal noise
In FET, what do you call the process of formation of channel or increasing the channel conductivity by increasing charge carriers?
Enhancement
What construction technique when all elements both active and passive are formed in a single chip silicon?
Monolithic Construction Technique What is the typical range in voltage per ºC of input offset voltage drift?
5µ V – 50 mV
In hotwire ammeter used to measure output current in fullwave rectifier, will obtain ______ of the maximum rectified current.
0.707
Amplifier with less time and therefore less power consumption.
Class C
What determines the output of the cell? Electrolytes/electrodes
What signal from an external device lets the computer know that it needs data or want to send data?
Interrupt
In Op Amps, the difference in input bias current and usually in absolute value?
Input Offset Current
A triac is a solid state device operating as what type of switch?
3 – Terminal Bidirectional Switch
What is not one of the four general categories of losses in rotating machines?
Hysteresis Voltage
How many NiMH cell in series to produce 2.4 volts? 2
What bonding occurs when molecules formed, when atoms….
Van Waals Bonding
How can the frequency in an oscillator be stabilized? By incorporating a tuned circuit LED can be made from what material?
Gallium Arsenide
How many segments can represent a digit? 7
Another name for video amplifier. Wideband Amplifier
What bonding occurs when the total energy with an aggregate less with an atom near each other than separated?
Chemical Bonding
What is used in magnetic amplifier to develop power in the load?
Charging Inductance
In an RL Integrator circuit, the output voltage is taken across which element? Across the resistor
Which oscillator is usually used to produced an output which is highly stable and at a very precise frequency?
Crystal
The amount of current that can safely pass through a crystal ranges from 50 to 200 mA
Which type of amplifier configuration has an approximate input and output impedance of 100 kΩ respectively?
Common Collector
What does the letter “A” in semiconductor IC like LM358A signify? Manufacturers Modification Version
Which of the following rating would never be found in a fuse data sheet? Power Rating
What does the number “2” (before the letter “N”) indicate in the JAN marketing scheme?
Number of junctions
What type of feedback is provided by the unbypassed emitter resistor in a common emitter transistor amplifier?
Negative feedback
What limits the frequency response of a transistor amplifier at higher frequencies?
Interelectrode and Parasitic Capacitance
What tern refers to an inductor (coils) when used for high frequency compensation?
Peaking coils
This is the maximum current permitted to flow in the forward direction in the form of nonrecurrent pulses. Current should not equal this value for more than few milliseconds.
Maximum Surge Current
It is the most important current rating for a diode; it indicates the maximum reverse bias voltage that may be applied to a diode without causing junction breakdown.
Peak Reverse Voltage PRV
In troubleshooting, this is one method used to localized trouble in a circuit. This is done by observing the waveform at the input and output of each part of the circuit.
Signal Tracing
In a series regulator when the resistance of the load increases, what does the series transistor must do in order to regulate the output voltage?
The transistor must made to conduct less Which of the following voltage regulators is the most efficient?
Switching Regulator
This circuit multiplies each input by a factor (the factor is determined by the circuit design) and then adds these values together.
Scaling Amplifier
In an Op Amp differential amplifier if all resistors value is equal, the voltage gain is equal to _______.
One or 1
The most convenient way and quickest way of testing a diode.
Ohmmeter Method
Prior to substituting a diode, what measurements should you take to determine its condition?
Voltage and Resistance
For good filtering in a power supply with a capacitor output filter, the filter capacitor should be
Charge up as fast as possible and discharge as slow as possible
How many inputs can a (a) differential amplifier and have (b) summing amplifier have?
(a) Two only (b) More than two
Which of the following is not an advantage of magnetic amplifier over other types of amplifier?
Wide Frequency of Operation
Of the following test, which is the most valid for checking a diode?
Dynamic electrical check with a diode test Which of the following statements describe the basic operating principle of a magnetic amplifier?
A changing inductance can use to control current in the load
Which of the following is the fastest when used as a switch?
Schottky Diode
This figure of merit of a power supply indicates how much the output would change with respect to the input voltage regulations?
Line Regulation
Voltage multipliers are used primarily to develop what type of voltage?
High voltage where low current is required Oscillators are tuned on and off at a specific time are known as what type?
Pulse Oscillator
The simplest series voltage regulator was design to function as what type of resistance?
Variable resistance in series with load Which of the following resistor configuration can be used to construct a transistor buffer amplifier?
Common Collector
Which of the following can’t be classified as a relaxation oscillator?
Armstrong Oscillator
The reduction of amplification in an oscillator circuit is referred to as
Damping
The following must be done I order to increase the bandwidth of an Op Amp and decrease voltage gain.
Add Negative Feedback
If the input-signal-developing impedance of an amplifier is increased, what is the effect of the gain?
Gain Increases
An amplifier formed by 3 op amps and 7 resistors, including the gain setting resistor Rg is known as _______ amplifier.
Basic Instrumentation
In an op amp inverting amplifier with an input voltage Vin, if the feedback resistor opens, what is the output voltage must likely to be?
Negative Vcc
In a voltage divider biased NPN transistor, if the lower voltage divider resistor (the one connected to the ground) opens, what will happen?
Transistor maybe driven to saturation ECCLES-JORDAN circuit is another name for
Bistable Multivibrator
Which of the following are the most common types of packaging IC production?
All of the above
Transistor Outline (TO) Package Flat Pack
Dual-in-Line Package (DIP)
Compensation to an op amp means _____ bandwidth and _____ slew rate.
Reduced; increased
Which of the following multivibrators gas the most number of stable states?
Bistable A photodiode is a diode that
Exhibits increase in reverse current with light intensity
For full differential to take place the time constant of the circuit must be ________times that of the input pulse.
0.1
This is a special type of wave generator used to produce a narrow pulse of trigger. They can be used as frequency dividers or counter circuits and for switching other circuits on and of at specific times?
Blocking Oscillators
In zener diode, the zener effect accounts for the breakdown at what voltages?
Below 5 volts
In a FET, drain current in the constant current region increases when ____________.
Gate-to-source voltage decreases What type of bias added to a negative clamper for the most positive extremity of the wave shape to be clamped to zero volts?
Zero bias
Which of the following are the types of LC oscillator? A. Colpitts B. Clapp C. Hartley D. Armstrong E. Crystal-Controlled Ans. A, B, C, D and E
What is the condition of the diode in a series limiter when the output is developed?
Conducting
In DC biasing, what is the main disadvantage of emitter bias? Requires two separate voltages
In a MOSFET, the process of creating a channel or increasing the conductivity of the channel by the addition of charge carriers is _______.
Enhancement
What type of bias is added to the negative clamper for the most positive extremity of the wave shape to be clamped above zero volts?
Positive bias
Which of the following is an indication of cut-off? VCE = VCC
What is the most commonly used filter today primarily in radio receiver, small audio amplifier supplies and in any type of power supply where output current is low and the load current is relatively constant?
LC Capacitor Input Filter
Interval of time needed for the voltage to go from 0 to 100% or vice versa of its maximum value is called _______.
Transient Interval
The leading edge of a trapezoidal wave is called ________ voltage. Jump
An oscillator in which the signal frequency is usually governed by the charge or discharge time of a capacitor in series with the resistor.
Relaxation Oscillator
In a sawtooth waveform, what do you call the portion of the waveform where the capacitor is charging?
Linear Slope
Decreasing the gate length in transistor sawtooth generator does what to linearly of the output sawtooth waveform?
Increasing Linearity
In a sawtooth oscillator what is the effect of increasing the value of the bias voltage Vcc to the output?
What is the component added to a transistor sawtooth generator to produce a trapezoidal wave?
Resistor
In a trapezoidal wave generator, the output is taken across _______.
The resistor and capacitor
With a sine wave applied, which of the following circuits limits only a portion of the positive input signal?
Series-Positive Limiter and Positive Bias With the sine-wave input, which of the following types of series limiter allows only a portion of the negative input to be developed in the output?
Series-Positive Limiter and Negative Bias In a series negative limiter, how is the diode biased by the positive half of the input sine wave?
Forward
In a parallel diode limiter, how is the output taken and under what condition is it developed?
Across the diode when the diode is cut-off The circuit is also known as Direct-Current Restorer and Base-line Stabilizer?
Clamper
In a positive clamper with negative bias, what extremity of the waveform is clammed and to what potential is it clammed?
Lower; negative
This limiter combines a parallel-negative limiter and a parallel positive limiter.
Dual-diode Limiter
It is a special type of oscillator which uses inductive regenerative feedback.
Blocking Oscillator
Which of the following is not a complex wave? Sine Wave
In blocking oscillator the pulse width, pulse repetition time, and the pulse repetition rate are controlled by:
Resistor Capacitor
Characteristic of Transformer
A system with an integrator followed by a PM modulator.
FM modulator
In damping, it gives the most rapid transient response without overshoot?
Critically Damped
In blocking oscillator, a _______ can be placed in parallel with the primary of the transformer to eliminate the effect if inductive overshoot or parasitic oscillation.
Damping Resistor
In an RF amplifier, the use of swamping resistor and the optimization of the coupling method is aimed to ______.
Increase the bandwidth of the amplifier In an RF amplifier, neutralization is done to counteract or neutralize the effect of _______.
Interelectrode Capacitance
The ability of the filter to distinguish between high and low frequency and to eliminate of rejects the unwanted frequency.
Discrimination
What is the term use to describe the frequency at which the filter circuit changes from the point of rejecting the unwanted frequency to the point of passing the desired frequency?
Cut-Off Frequency
What amplifier is designed to amplify between 10 kHz to 100,000 MHz?
RF Amplifier
Which of the following class of amplifier has the best fidelity?
Class A
A differential amplifier is configured with the differential input and output. All input signals are sine waves with a peak-to-peak amplitude of 10 mV. The gain of the amplifier is 10. If the input signal is 90º out of phase with each other and a combined output is taken between the two output terminals, what will be the peak-to-peak value of the combined output signal?
100 mV
The use of laser to punch a hole in the iris to relieve intraocular pressure within the eye?
Yttrium Aluminum Garnet (YAG) What method is used to deposit thin film components on a substrate?
Evaporation and Cathode Sputtering What is the earliest form of micromodule?
Cordwood Modules
When you solder electrical connectors, splice and terminal plugs, what type of solder should you use?
60/40 solder
When heat-shrinkable tubing is used, what is the maximum temperature to which the wire should be subjected?
300 ºF
What % of tin is used in alloy-lead sheathing? 2 %
BIOELECTRONICS SQUID stands for
Super Quantum Interface Device MEG stands for
Magnetoencephalopgraphy What is use for scintimamography?
Gamma Camera
What is used for imaging position emitters? Compton Camera
A type of radiation therapy in which radio active materials are placed in direct contact with the tissue being treated.
Branchy Therapy
CADMIUM stands for what?
Computer Assisted Decision Making for Image Understanding in Medicine
This is an Air Monitoring System.
Biological Aerosol Sentry and Information System (BASIS)
This procedure uses soundwaves delivered inside the water bath to pulverized kidney stones painlessly inside the body?
ESWL Extracorporeal Shock Wave Lithotripsy An electronegative wave of potential occurring on the surface of the olfactory epithelium in response to the stimulation by an odour.
Electro-olfactogram Also know as the Radionuclide Scanning.
Nuclear Medicine Imaging (NMI) What is the minute return loss, authorized by the NTC?
7 dB
Broadcast or push messaging shall not be sent between ______. 7 – 9 PM
Each speaker assembly at the receiver reproduces exactly the same information. Monophonic
_______ of the FM receiver is the minute dB difference signal strength between two received signals necessary for the capture effect to suppress the weaker signal.
Capture Effect
In FM demodulator, it is also called the coincidence detector. Frequency Deviators
A system with a differentiator followed by an FM modulator is called ________. PM Modulator
AM Detector is also called ___________. Second Detector
The Mixer is sometimes called _______. First Detector
________ occurs when the receiver picks up the same station at two nearby points on the receiver tuning dial.
Double Spotting
It is one of the earliest types of AM receiver. TRF
