electronics compilation

8/13/2019 Electronics Compilation

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1. AND gateoperates

If all inputs are 1 and all output is 12. Made up of sine wavewithfundamentalfrequency and its entire

harmonics.

Sawtooth Wave3. Graph of Impedance in vertical axis

Voltage or current accompanies with reactive components4. A wiring diagram would be found mostlyin:

Service/Repair manual in radio receiver5. Inductorworks in

stores energy in the magnetic field6. A zenerdiodeexhibits

constant voltage, varying current7. Inpositive logic circuit, the logic 1 represents

High level8. It converts high language to machine language

Compiler9. Open circuittest are to measure?

Core Loss10. Short Circuittest on transformer is done by?

shorter the smaller voltage winding11. Regulationis used to? Maintain a constant level of supply

12. When its electron tubes are applied with a high voltage, it emits lights?

Phototube13.Transistor Packaging usedduring the time of transistor?

Transistor Outline Package14. The ability of magnetic material to retain magnetism even if the magnetic

supply was switch to zero?

Residual Magnetism15. Lightning Arresteris usually placed?

near the transformer16. Used to eliminate the use of inductive elements RC synthesis

17. During thispotential conductionexist after being idle?

Offset Potential/Threshold Potential18.This influence must be considered during recombination?

Emission Coefficient19.At mid frequency, the loss at lower half frequencyis?

3dB

20. Error that is due to inexperience of the user?

Gross Error or Personal error21. This is used to limit variations in amplitude?

Limiter22. Used to have amplification and when saturated it will stay saturated to

that leveleven if increase in bias?

Level Clamp23. The most commonly used FET amplifierfor voltage amplification?

Common Source Amplifier24. The most simple converterused for motor?

Half wave converter25. The difference in angle between two vectors?

Phase Difference26. Discovered that the radius of an atom is 10

-14m?

Ernest Rutherford27. The Output of 175 VDCrectifier circuit?

Pulsating DC28. The most influentialfactor for conductivity?

Electron Structure29. The one that holds the current register of instructions?

Instruction register30.Alkaline? are better used on radios compare to zinc-carbon cells

31. Lead Acidis about?

2.1 Volts32. The one with highest input impedance?

MOSFET33. A variation of Colpitts oscillationthat use net inductive reactance on its

circuits w/ 2 capacitor elements?

Clapp Oscillator34. Surgeimpedance of cable

5035. An overexcited synchronous motorrunning without mechanical load Synchronous capacitor

36. Type of resistors connected parallel w/ capacitorin power supply

Bleeder resistor37. Voltage Regulation is negativewhen bad power factor is

Leading38. Coronais likely to occur at

Transmission Line39. Duty cycle of square wave


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1:240. Strongest dielectricmaterial

Glass41. Comparatorwith hysteresis

Schmitt trigger42. Serves as cathode of dry cell

Zinc container43. Electrode ofAlkaline cell

Potassium hydroxide44. Cellcommonly use on emergency system

Silver Zinc45. When making a binary counter, a preferred flip-flopis

D-Type46. Bouncing of electronfrom one atom to another

Drift current47. Most dangerous short circuit

Dead short circuit48. What is computer on a chip?

Transputer49. Any charge given to the battery after taking of the vehicle

Bench charge50. Which of the following has body centered cubic crystalline structure? Chromium

51. Which of the following has hexagonal close pack crystalline structure?

Zinc52. The _____ is the volume of atom divided by the cell volume

Packing ratio53. The packing ratio of a face centered cube crystalline structure is

0.7454. The elements of transformer

Core, Primary winding, and Secondary winding55. The core is laminated to

To minimize the eddy current loss56. Solid grounding is use for voltage below

66O V57. Resistance grounding is use for voltage

3.3 kV 11 kV58. The gain of buffer amplifieris

Unity59. Set-up Transformer increases

Voltage

60. The antiparticle of antineutronis

Neutron61. Voltage drop for selenium conductoris

1 V62. A Dc to Dc Converterwith unregulated input and regulator output

Switch Mode Power Supply63. Universal Motorhas

High output kw/kg ratio64. Universal Motor is one that is

can be operate either ac or dc65. Heavisidebridge measure mutual inductance

66. Separationof chip

2-3 m67. Transformer operates on 20 kHz to 20 MHz

Carrier Frequency Transformer68. Range of CMMR

100 to 10,000 / 40-80 dB69. The particle that cant use for magnet

Carbon70. It can vary AC but not DC

Frequency71. A structure formed by atom covalent bond together

Crystal72. Controllerin vacuum tubes

Control Grid73. Bypass capacitorused in high frequency circuit

Ceramic74. The ___ has low output when both input are low

OR gate75. What is the turn-on voltage of LED?

1.6 V76.Air worksas well as dielectric mainly because has low loss

77. The ___ apply to a network with more than one source emf

Superposition Theorem78. The characteristic of mica capacitoris

small size79. What process is used in cold welding?

Pressure80. Thefirst name of transistor


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Point81. The value of disk capacitor

100 pf82. In voltage divider

the input resistance in the input side is low83. MOSFET ishigh impedancebecause

its gate is insulated from other device.84. Excitationis ___

energy needed for the electron orbit to increase85. Electrostatic field in a pn junctionthat hole and electron must overcome

barrier86. ___ keeping the oscillationin the circuit

Flywheel Effect87. ___ used for computing inductance with unknown conductance

Maxwell bridge88. ___ is neglected in measurement of short transmission line

Shunt Admittance89. Input signal in the control systemthat is not dependent on the output

system

Command Input90. ___ use in vacuum welding

Electron beam welding91. How many times does a sine wave reaches zero from the 1stpositive peak?

2 times92. Tank Circuitsare also called

Anti-resonant Circuits93. A logic operator thatproduces 0if only if the inputs are all high

NAND gate94. If you have infinite no. of resistor w/ 10 , 10 W specifications, what will

you combine in series-parallelin order to obtain a 100 , 100 W

connections?

4 x 495. The rectangular coordinatesrepresents? The value of the horizontal plane & vertical plane

96. Point Contact Diodeare commonly used on

RF Detectors97. In designing Pre-Amplifiers, it is important to consider ___

Insertion Loss98. It is a device used in 10-1000GHz frequency range?

IMPATT99. Negative Feedbackmain advantage

Reduced gain, Increase bandwidth, and reduced distortion100. Monolithic Packagingis usually in ___ ICs

Digital101. Logic gatesare for?

Logic decisions102. Op Ampshunt regulator differs from series regulator because?

Its control element is in series with the line resistance103. In Hall effect, the electric field is?

Normal to the current and magnetic field104. Thefaster logic family?

ECL (Emitter Couple Logic)105. Photo darlingtoncomprises of?

A phototransistor and a transistor106. Common emitter Configuration that is dependent of

Voltage Divider Bias107. A High Q-tuned circuit amplifieris one with

High selectivity108. Subroutinesis used large programming

To test the running time of the program109. A continuous programming of robot path

Walkthrough110. The internal impedance of an ideal op-amp High impedance

111. The output impedanceof an ideal op-amp

Very low impedance112. The input impedanceof an ideal op-amp

Very high impedance113. Which of the following described a common collector amplifier?

Voltage low gain114. Which element cannot produce magnet?

Carbon115. LEDis basically_____ Forward bias

116. LEDproduce light

when the electron return to its hole117. A cell rateis

ampere per hour118. Devices usually uses semiconductor

Solid State Devices119. A type of cellthat cannot be used until it dies


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Nickel Cadmium120. Why is solar cell used in satellite?

because it has unlimited battery life121. Diode use for high speed switching

Shockley Diode122. What motor characteristic is affectedby counter emf?

Speed123. What is the greater treat for diode?

Heat124. What amplifier has the highest degree of fidelity?

Class A125. Mechanical Computeris considered to what type?

Analog126. What is thepower source of synchrous?

AC127. How is EPROMerased?

With a burst of ultra violet rays128. What meter is used to measure insulation resistance?

Megger129. What is the greatest advantage of a VOM?

No external power is required130. What is the output of half wave rectifier? Half wave rectified signal

131. Transistor batterybest fits in___

Electronic Calculator132. Hexagonal closed packed crystalline___

Zinc133. In IC fabrication, the minimum distance between features

Geometry134. In power supply design, 15 VDCoutput 20 VAC inputs which are not

required?

UPS135. High sensitivitysubstance Permanent Magnet

136.Ferromagnetic Materials

Concentrates magnetic flux line within itself137. In RL plane, what is shown?

unique combination of resistive and inductive reactance.138. It increases inductance in the inductor

Ferromagnetic Core139. What are the advantages of metal oxide semiconductor?

Sensitive an can be damage electro statically140. A DC voltmeteris high sensitive and accurate in measuring

High resistance circuit141. A net electric chargein an isolated system remains constant

Law of Conservation of Charge142. A change of crystal frequencywhen L or C connected in parallel

0.1 %143. DC armature resistance

0.5 144. In context of corona, if the conductor is polished and smooth which

statement is true?

Corona glows uniformly along the length of conductor145. Maximum change of power that a normal human can hear

1 dB146. An error which cannot be correctthrough calibration or any method of

control which source is unknown

Random Error147. Minimum incrementmeasurable with certainty in instrument

Resolution148. Which of the following is not a sinusoidal wave generator?

Multivibrator149. Meter movementuses current induced in thermocouple by heating theresistive element.

Thermocouple MeterMovement

150. It is the movement of holes

Hole Current151. Refers to the mean timeof which the excess of electrons and holes exists

before they recombined and disappeared

excess carrier lifetime152. The process of adding impurities in pure semiconductor.

Doping153. Aperiodic waveformpossessing half symmetry has no. Even harmonics

154. In BJT, IB=100A and IC=10mA what is the range of beta?

1.01 to 10155. When two simple low pass filter having the same values of R and C in

cascaded the combined filters will have a roll offof

-40dB/decade


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190. Indicates the probability of occupancy of electron in an energy level by

an atom?

Fermilevel191. Maximum number of electrons is 18

M-shell192. It is the sudden but energetic changes from one steady state to another.

transition transient193. Carries an intrinsicat room temperature

both holes and electrons194. When charging lead acid cellthere is

Increase in volume195. This efficiency is always greater than 1?

(Ah/Wh) Ampere-hour / (W/hr) Watt-Hour196. The change or differential circuit on an SCR

false trigerring197. Current is uniformly distributedin the conductors cross-sectionif

resistance of the conductor is equal to the ohmic value198. Increase of reverse voltage of varicapor varactor diode causes its

capacitance

decreases199. Amplifier that generates voltage with time

voltage time-base generator200. Number of card read per minute in card reader

10,000201. Tapped coil

hartley202. Word sizeuse in largest computers

64203. It is where thefermilevel lies

forbidden band204. When IB current increase

IE and IC increases205. Components of microprocessor ALU and control unit

206. Instrument that measures temperature variationdue to change in

metallic resistance

bolometer207. Determines the inductance of a circuit

Maxwell-Wien bridge208. Composed ofJK, RS flip flop and an inverter

D flip-flop

209. Operates in depletion mode only

JFET210. The change in power levelwhen power output is double.

3 dB211. The effect of which the collectorbase junction exceeds in maximum

reverse bias voltage or active region, thus, breakdown occurs.

Punch through effect212. The independence of diode current due to temperature effect.

Voltage equivalent temperature213. Inexpensive and needs no adjustment

RC Coupling (audio low-level amplifier)214. Part of intrinsic semiconductor where the electrons are active.

conduction band215. 4 bits

1 nibble216. 1 byte

2 nibbles217. Sudden instantaneous change in input current from the steady state

conditions

step input218. Use to store most recently read data and frequently read data cache memory

219. Use to measure frequency and unknown capacitancewith great accuracy

Wien-bridge220. Due to change in neutronof an atom

Isotope221. The speed or velocity of an electron when electric field applied

drift velocity or drift speed222. To minimize the eddy current lossin an inductor.

core laminated223. Selenium arsenidetypical voltage

1 volt224.Ability of materialto produce magnetic line of flux and capable of

interacting other magnetic fields

magnetism225. Has the same rate and decay

triangular wave226. Examples of output devicesin a computer system

screen and printer227. Working envelopeof the robot manipulator


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range of the axis motion228. 99.9%of pure gold has conductivity

72.6%229. What is form by adding parallel inputs to the inverted amplifier?

Inverting summer amplifier or Inverting adder230. Wheatstone bridgeis used in measuring resistances in range?

1 to few M231. Magnetic amplifieris a power amplifier withfrequency response

normally limited to? 100 Hz or below

232. Coronaresults in?

Radio interference233. What is the advantagedoes a Bridge rectifier have over Center tapped

Fullwave rectifier?

Bridge rectifier produces twice the voltage at the same sizetransformer

234. The Half wave voltage doubledis made up of how many half wave

rectifiers?

2235. What capacitor is polarized?

Electrolytic236. Synchronous Capacitoris?

Over-excited synchronous motor running withoutmechanical load.

237. The packing factor of Face-centered cubic crystalline structure is?

0.74238. The development process by Monocrystalline structurecooling of a

molten mass substance is called?

Crystal growth239. What is the operating temperature of Class B motor?

130 C240. The Vector is a quantitythat has? Magnitude and Direction

241. If two perfect sine wave have the same frequency and the same

amplitude, but are in opposite phase, the composite wave?

Have zero amplitude, because the two sine waves canceleach other

24. What happened to the capacitor that has been connected across the

battery?

It becomes charged

243. The output is 0 if all the inputs are 0?

OR244. What is true about the step up transformer?

The output voltage is greater than input voltage245. Thermocouple

Becomes warm when current flows through it246. DC motor can be looked up as DC Generator when power flows

Reversed247. The Interactive Solar Power system

Allowed homeowner to sell power to the utility248. The voltage amplifier used in high voltage, high current applications. Thisis the most efficient amplifier

Switching amplifier249. Which is low efficiency rectifier?

Wide Band Rectifier250. DC loadlineof a transistor

has a negative slope251. The two input of an Op-amplifier

Inverting and non-inverting252. The SCR will conduct appreciable current

When anode and gate are both positive with respect tocathode253. Scale errorof an instrument is

Due to its scale mark not being place at the place254. Class A amplifieris used when

Minimum distortion desired255. In class A amplifier the worst case occurwhen

No signal applied256. The anthropomorphic arm robot is widely used in spray paintbecause

It is most maneuverable257. Thepin resistor usedin Industrial electron heating is in

hairpin form258. The apparatus/instrument made by Lawrence and Leavingstone Magnetic resonator

259. Count up to 9and reset to the next pulse

Decade counter260. The two transistor class B amplifierusually called _________amplifier.

Push-pull261. The advantage ofphotodiode

Used as variable resistor262.Advantages of non-servocontrolled robot


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high operating speed low cost high repeatability

263. Wein-bridge oscillatoris a

Stable sine wave audio generator264. When correctly bias,Zener diode has a

Constant voltage across to it265. The ripple factor of a power supplyis measured by

Filter efficiency266. The Ip/Iv ratio of a tunnel diode is important in

Computer applications267. The number of sub shellin n=4 is equal to

4268. In low pass filter, the cut off frequency reduced the output voltage to

____of the input voltage.

70.7 %269. What is the total collector current of Common Base?

IC = IE + IC

270. Transition Time

it identifies therise timeor thefall timeof the outputvoltage.

271. Eddy Current

is caused when a moving magnetic fieldintersects aconductor,or vice-versa

272. Shelf life of lithium cell

5-10 years273. Afilter which pass a range of frequencyand all others are rejected

Band pass Filter274. High voltage for transmitting power is economically availablein

AC current275. How high in terms of working voltage replacement in replacing a

capacitor at least 10-20% high

276. A typical Kelvins double bridgethat has the range of 2 10 has an

efficiency of

+/- 0.05 to +/- 0.2%277. Ideal noise factor of an amplifieris

0 dB278. What is the advantage of electromagnetic meterover apermanent

magnet meter?

the electromagnetic meter is rigid279. Theprocess of removing particle suspendedinto gas by a electrostatic

charge and subsequent precipitation

electrostatic precipitation280. Maximum and minimum scaleof a measuring device

range of span281. Inpc motor, mechanical output power is from

electrical input defect282. Thepoint defect resultinga missing atom in a lattice is

vacancy defect283. Protection of lightning stroke lightning arrester and ground wire

284. When everything held constant which of the ff does not affect the

inductance of the air core

Frequency285. The absolute limitof the component density in an IC technology is

determined by the

size of semi conductor286. If the ratio of the inductivereactance is decrease

the phase angle decreases287. If the operating temperature is 155Cthis is under motor classification of

Class F288. Main characteristic ofpot-coil inductoris

more inductive less in volume289. If the bias of the varactor diode

the capacitor 290. Class Aamplifier

is bias in which Vc can swing in equal distance in either sideof Q point

291. SCARA (Selective Compliant Assembly Robot Arm)is use for

assembly operation practically in the field of engineering292. The two opposing tort having equal amplitude when a pointer of a

measuring instrument finally goes at rest

deflecting tort and restoring tort293. Crystal oscillatorprovides

stable carrier wave for radio transmitter294. Afull-adder

adds two binary digits and carry previous addition295. An index registerof a digital computer is

used for address modification
http://en.wikipedia.org/wiki/Rise_timehttp://en.wikipedia.org/wiki/Rise_timehttp://en.wikipedia.org/wiki/Rise_timehttp://en.wikipedia.org/wiki/Fall_timehttp://en.wikipedia.org/wiki/Fall_timehttp://en.wikipedia.org/wiki/Fall_timehttp://en.wikipedia.org/wiki/Voltagehttp://en.wikipedia.org/wiki/Magnetic_fieldhttp://en.wikipedia.org/wiki/Magnetic_fieldhttp://en.wikipedia.org/wiki/Conductor_(material)http://en.wikipedia.org/wiki/Conductor_(material)http://en.wikipedia.org/wiki/Conductor_(material)http://en.wikipedia.org/wiki/Magnetic_fieldhttp://en.wikipedia.org/wiki/Voltagehttp://en.wikipedia.org/wiki/Fall_timehttp://en.wikipedia.org/wiki/Rise_time


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296. A servo-motor robot movesbetween _____ stops

soft297. After firing SCR, the gating current is removed, the SCR current is

still the same298. VTVM produces negligible loading effectbecause of its

high internal Resistance299. To avoid a high noise figurein an amplifier the volume control must have

low DC current300. A neighboring atom of a crystal lattice structurelike a Ge form a ___

bond covalent

301. A neighboring atom of a crystal lattice structure like a Ge form a ___

bond

solid state device302. A moving coil voltmeteris for

DC voltage only303. The output of Class Bamplifier is

positive half cycle only304. Capacitor that helps multivibrator to transfer from one state to another

instantaneously

commutator capacitor, step-up capacitor, transposecapacitor305. Positive and negative complex wavesis symmetrical

if it has an odd harmonics306. Maxwell L/Cis so called

balance because it has two opposite impedances in oppositearm

307. The ratio in which the circuit opposes oscillationis

damping ratio308. Inverse saturation current(Ico)

increases in every 10 C increase in temperature309. When apurely inductive coil is fed to a complex wave, the current has

less distortion310. The energy required to obtain electrons in the valence shell is

very less311. In any atom, thepotential energy of

an orbiting electron.

is always negative312. For sustaining oscillation, for a feedback

amplifier. The loop gainis

greater than one313. Essential feature of a non-servo

Controlled robot:

each axis moves only between hardware stops.314. When a discharge fluorescent lamp has to be used in dc supply, what

component needs to be connected in series with it?

Resistor315.When a large amount of analog signal is to be converted to digital

form, an analog multiplier is used. An A to D converter most suitable in

this case will be. successive approximation type

316. Consist of two interdependent circuitssuch that the output of each

controls the input of the other:

relaxation oscillator317. Moving coil voltmetermeasures

only DC voltages318. The capacitance of the capacitor is NOT influenceby:

plate thickness319. Produces a low output when one or both input is high :

NOR Gate320. 1ms can be converted to 10msusing:

Monoastable multivibrator321. OP AMP comparatorcircuits uses:

no feedback322. In any 3 digit voltmeter, the largest number that can be read is:

0999323. PIV is applied across a diodewhen it is:

reversed biased324. Heaviside-Campbell equal ratio bridgeis used to measure:

self-inductance in terms of mutual inductance325. Primary cause of linear distortionin an amplifier:

reactance associated in the circuit and the active amplifyingelement.

326. Reverse current in a silicon junctionnearly doubles every rise in

temperature.

6 degrees327. The voltage wave is applied across a pure capacitor, as compared to a

fundamental voltage, the reactance offered by the capacitor to the third

harmonic voltageis:

one-third


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328. The ratio of energy stored and returned either capacitor or inductor, to

the dissipated energy by the device resistance:

quality factor329. Process of adjustment of a scaleto agree with the accepted/ certified

constant:

calibration330. Any solid object has a maximum of degrees of freedom:

6331. An IC which is made up of spurting material in a ceramic substrate is

called: thin film IC

332. A scale of an indicating instrumentwhose each division represents the

same value is also known as:

linear scale333. An SCR semiconductoris made up of

2 P types and 1 N type334. Hays bridgeis particularly used to measure:

inductive impedances with large phase angle335. Devices used to reduce amplitude of a signal waveform:

attenuator336. Aproper biased NPN transistor, the electron in the emitter:

passes through base to collector337. The main reason why electrons tunnel through PN junction is that:

the depletion region is extremely thin338. The efficiency of a class A amplifiercan be increased by using:

transformer coupled load339. Produces the highest torque in DC motors:

Series340. Works best at high frequencies:

Ceramic341. Each impedance R+jXL

correspond to a unique point in the RL plane

correspond to a unique inductance reactance correspond to a unique resistance

342.Ability of an instrumentretains its performance throughout its specified

operating life and storage life:

Stability343.Volume of an atom divided by the cell volume:

Packing Factor344. By which method protection against direct lightning strokes and high

voltagessweep wave is provided:

lightning arrester and ground wires345. The induced emf in the armatureconductor in a dc motor is:

sinusoidal346. Major differencebetween the construction of lead acid and nicad

battery:

the cell in nicad battery can be replaced347. A buck-booster converterwith a 30kHz switching frequency is operating

with D=0.25. the connected load is 10. Determine the crirtical

frequency so that current IL is continous.

Lc = (1-D)2

RL2Fs

348. Unity follower amplifieris an input impedance, leading to

its use as an intermediate stage (buffer) amplifier to prevent small load

impedance from loading a source:

Extremely High349. Typical value of CMMR:

ranging from 100 to 10,000350.Typical value of CMMR in dB:

ranging from 40dB to 80Db351. Of the wire is the maximum current, it can safely carry.

Ampacity

352.____can keep the display for a longer timefor analysis purposes.

Storage oscilloscope353. With permeability tuning, moving the core further into solenoid coil,

increase the inductance354.The best type of coreif you need a winding inductance of 1-2 henrys:

ferromagnetic pot core355. For advanced chip, the distance between component is.

1 m356. Electrostaticmeter:

can detect ac voltages357. What is an electronic oscillator?

an amplifier with feedback358. The current in the solar panelcan be increased by:

connecting solar panel in parallel359. A diode that is designed to operate reversed voltage and is manufactured

to a process that increases voltage dependent depletion capacitance or

junction capacitance:

varactor diode


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360. In transistor consideration, analysis is based on the assumption

that for small changes, the variable interest is a linear function of the

other variableand thus the differential can be replaced by its increment.

stability factor or sensitivity361. The of a buck converter is define as the ratio of on time of

transistor Q to the switching period:

Duty cycle362. A variable reluctance stepper motoris constructed of

material with salient pole

ferromagnetic

363. A device that is clipped onto an in circuit, dual-in line package (DIP) logic

ICthat determines the state of each pin of the IC:

logic clip364. The electrode of an alkaline cell

Potassium hydroxide365.The simplest bridgethat is use to measure medium resistances:

Wheatstone Bridge366. An ammeter should have an ideal ohms:

Zero367.An ac bridgewhich measures mutual inductance:

Heaviside Bridge

368.Afour-arm ac bridgethat measure inductance against standard

capacitance:

Maxwell Bridge369. Equivalent circuit ofplus one diode and two resistor

UJT370. Comprise of systematic element of mechanical,electronics engineering,

computer studies and control theory.

Robotics371. A diode operating at 50 volt PIV and rectifying50 volt AC most likely to

break because

PIV is less compare to its input372. All or nothing in a relay operation,

the higher value picks up and lower value picks down373. Candela is SI unitfor

luminous intensity374. In robotics,prismatic is robot axes moves

at a straight line.375. ________cannot be attain its characteristics so connecting feedback is

needed.

Higher sacrifies factor

376. Positive feedback in an amplifier

Oscillator377. In serial communicationNRZImeans

non return to zero inverted378. In a motor two to three hours life is

lost when connected in a non factored load379. Introduced byIBM

Bytes380. It isprogramming of a control set of a computer

Microprogramming

381. At 95 MHz frequency,Air core inductorsis

often used382. ____is composed offundamental frequency of the harmonic

Square wave383. ____is network of inductor and capacitor

L network384. ____ in series with capacitor and parallel inductor, transform impedance

and is a high pass filter.

T network385. What is the difference between rheostat and potentiometer?

rheostat carries much higher current capacity

386. The easiest way of measuring amplitude in an oscilloscope

peak to peak voltage387. Op Amps high gain, differential amplifier hose characteristic is

determined

by external elements388. LED and Phototransistor

Opto-isolator389. Often used as voltage reference source

Weston cell390. ELI:

voltage leads current 90 electrical degrees391. An LC oscillator having 2XCand 1 XL

Colpitts392. A negative-resistance microwave diode having a thin slice of

semiconductor material sandwiched between 2 metal conductors is called

______.

PIN diode393. Negative Feedback reduces distortion in an amplifier only when:

It is generated within the amplifier


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430. A dual trace CRO has

1 electron gun and 1 two-pole switch431. Gold is used in doping a semiconductor material to

reduce storage time432. What element is not suited for doping an intrinsic to be converted into

an N Type extrinsic semiconductor?

Iridium433. JFET operates in

depletion mode only434. The trickle charge of storage battery

keeps the battery fresh and fully charged435. Consider the energy gap diagram of an intrinsic semiconductor. FERMI

lies on the ______.

Forbidden gap436. The operation of Q-meter is based on _______.

series resonance437. The temperature coefficient of an extrinsic semiconductor is _______

Negative438. A 32 bit, Computer on a chip is also known as ___

Transputer439. In a low pass filter, the cut-off frequency is represented by a point where

the output voltage is reduced to _____% of the input voltage.

70.7%440. In higher forward voltages, a junction diode is likely to ______.

burn out441. Why does silicon require higher energy level compared to Ge?

Because its valence electrons are more tightly bonded tothe parent nuclei

442. Why is biasing important to BJTs?

to have a fixed current amplification level443. What does thermometer resistor measure?

Temperature444. If the loop gain of the oscillating doesnt obey Barkhevun(ano daw to?)

principle (loop gain = 1), what will happen?

Stop oscillating445. If the MOSFET operates higher than the pinch off voltage, what happens

to the drain current?

the drain current is constant446. What do you need in order to get the product of two binary?

Adder,subtractor and shift register

447. Databus refers to

data lines in the system bus448. Transputer is a

32 bit device449. The measure of consistency or repeatability

Precision450. The unit of absolute permittivity

Farad/meter (farad per meter)451The main feature of common emitter

signal phase reversal452. The main advantage of swinburnes?

economical and convenient453. A device with two plate and between them is an insulator

Capacitor454. A device that converts sinewave to series of pulses through the

application of comparator circuits

Timing marker generator455. A filter that rejects a band of signals/frequencies and pass the rest

Bandstop filter456. The ratio of fractional difference of amplification with feedback to thefractional difference of amplification without feedback

sensitivity of transfer gain457. Why monolithic ICs are more used than Film ICs?

because of its linear property458. Why is bleeder resistor used in biasing DC circuits?

to improve regulation and filtration459. What must be added to improve its linearity of the bootstrap and time-

base miller?

a compensating network460. What must be the reason why amplifier with feedback changes with

increasing frequency? because of capacitive elements

461. In hall effect, the electric field is

in normal with magnetic field and current462. Logic circuits are for

logic decision463. Photo darlington is composed of

a phototransistor and transistor464. Op amp shunt regulator differ from a series regulator because


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the line resistor is in series with the control element465. The trickle charging of battery

keep it fresh and fully charged466. Q-meter is based on the theory of

series resonance467. Metallization means

interconnection of conductors and bond gaps468. For amplifiers, if 3dB below resonance is lowered, 3dB upper resonance

is raised, what happens to BW?

Increased469. Maxwell L/C bridge is so called because of

balance of two opposite impedance in opposite arms470. Battery buffer

decreases variation of voltage and current supplied bydc generators

471. SCS acts ON state by

pulsating pulse in its cathode gate472. Access of identity register in a digital computer uses

address modification473. In N channel MOSFET, the value of gate voltage is

high positive474. An XOR produce only output when 2inputs are

Different475. In Op amp, when the input resistance is infinite, input current is

Infinity476. In a transient, pure resistive circuit

have no stored energy477. Output impedence, ho, ideal and CB connected has

0 siemens478. In an RL filter, Ripple factor

remains constant with load current479. Decibel measures

power level480. In an RL low pass filter, -12dB/octave is equal to

-40dB/decade481. Phototransistor excel photodiode by

greater sensitivity, high current capacity482. In a circuit, zener diode is always

reversed bias483. Square law devices

JFET

484. If a semiconductor is doped with a small amount of boron, number of

holes and electrons will

decrease(electrons) and increase(holes)485. In octal, grouping bits are by

3s486. Permeameter is

an instrument used to determine the characteristic of aferromagnet

487. Volatile memory is

semiconductor ROM488. Oscillator oscillates on

positive feedback489. Hexadecimal is

a number system that use number and letter symbols490. MOSFET differ in JFET in

P-N junction491. Before illuminating PN junction, the photodiode is

reversed bias492. In silicon (atomic no. = 14), outermost orbit is

half filled493. Sulphation in lead acid battery is due to

incomplete charging494. General purpose diode suffer avalanche breakdown rather than zener

diode because of

dissipated maximum power495. Active materials in nickel iron battery are:

Nickel hydrogen, powdered iron & oxides and21%solution of caustic potash

496. Double energy transients consists of

reactance, inductance and capacitance497. Advantage of compiler over interpreter in computer is

can store and retrieve as often as required498. Emitter is _____ compared to collector

heavily doped499. In CE, if emitter bypass capacitor is removed, ______ will be reduced

Voltage gain500. Inverter circuit employed the conversion of

DC voltage to AC voltage501. If fuse requires a higher current in the circuit, the load will

seriously overload502. Discharge of electricity from a conductor with higher potential


15/41

Corona503. Floating point consists of

a base, exponent and mantisa504. Any voltage applied across the PN junction is

Bias voltage505. The main use of class C amplifier is

As RF amplifier506. The main advantage of CMOS logic family over the TTL family is

much reduced power507. In excess-3 code, each coded number is

three larger than the BCD code508. During charging and discharging of nickel-iron cell

water is neither formed nor adsorbed509. The emitter of a transistor is generally doped the heaviest because

it has to dissipate maximum power510. The unique features of common collector amplifier is that it

levels up the input impedance, does not increase thevoltage gain, and acts as an impedance matching device.

511. The major component of MOS IC is

MOSFET512. The detection sensitivity of CRT depends inversely on

the distance between the Y plates513. Silicon is preferred in zener manufacturing because

it has high temperature and current capacity514. Trickle charging of storage battery helps to

keep it fresh and fully charged515.It is the decrease in voltage gain with frequency

Roll off516. The maximum number of electrons in a valence shell that an atom can

have is

8517. 1 KWH of energy is equal to

860 Kcal518. The transient current in a loss-free LC circuit excited from an AC source

undamped waveform519. The input impedance, h11of a network with output shorted is given by

the rati

V1/i1

520. The function of a rectifier filter is

to remove the ripple of the rectified output

521. The modified miller circuit which requires only pulse signal to get ramp

waveform

phantastron circuit522. The breakdown voltage increases as the temperature increases of the

avalanche breakdown. The avalanche breakdown has

positive temperature coefficient523. When the common emitter transient is cut-off

the maximum voltage appears across the collector524. The static V/I characteristic of junction diode is defined by

Boltzmann diode equation525. Photoconductive cell is also known as

phototransistor cell or photoresistor cell526. ICs that are based on discrete changes of values in circuit operation

Digital ICs527. The problem of coordinating different asynchronous devices in a

computer can be overcome by the technique called

Handshake528. Generates non-sinusoidal waveform

Multivibrators529. An SCS has

1 anode, 1 cathode and 2 gate terminals530. ICs which are made by silk-screening components onto an aluminum

substrate is _____ ICs

thick layer531. The Nimak Gantry robot has a

good positional precision532. Thermal neutrons are also called

slow neutrons533. The gain of darlington amplifier pair is produced by _______ its beta

Multiplying534. A transistor is operated as a non-saturated switch to eliminate

storage time

535. Boolean algebra is essentially based on

logic536. When used in circuit, zener diode is always

reversed bias537. In an AC amplifier, larger internal resistance in an ac source signal

small circuit voltage gain538. Transients that is produced due to sudden but energetic changes from

one steady state to another is ______ transients


16/41

Transition539. Solar cells are used in earth satellites because

very high efficiency and unlimited life540. IC manufacturing foundation is based on

Wafer541. Maxwell-Wien bridge measures

Inductance542. D flip-flop is composed of

J-K flip flop

Inverter &RS flip flop

543. At room temperature, current carrier of intrinsic semiconductors is

electrons and holes544. Anderson bridge is a modification of

wien-bridge oscillator545. JFETs operate in

depletion mode only546. An instrument that measures variation in temperature by changing

metallic resistance

Bolometer547. CE is always

180 phase reversal548. GaAs emits

in the infrared region549. Phototransistors are the same as conventional transistors except that

Phototransistor uses light to switch on the transistor550. The dv/dt effect on SCRs cause

false triggering551. If the power output in an amplifier is doubled, the increase in energy

level is

3dB552. The ratio of Ah efficiency over wH efficiency is

always greater than 1m553. There is no transient in

purely resistive circuits554. An oscillator circuit that uses tapped coil in tuned circuit is

Hartley555. Transformer that operates @ 100Hz to 150 Khz

Converter transformer556. Meter that has own power source

Ohmmeter

557. Opposes the creation of magnetic flux

Reluctance558. Has less reactance than wire wound

Metal Film Resistor559. The reciprocal of atomic number unit in grams

Avogadros Number560. Representation of the rate of change

Derivative of sinewave561. When two waves have the same frequency, same amplitude but

opposite in phase, the composite wave is Zero

562. How will you make an N-type semiconductor material

Add a donor impurity563. Design the first fuel battery in 1959

F.T Bacon564. Another term for differential amplifier

Subtractor565. Sending voltage is less than the receiving voltage is known as

Ferrenti Effect566. Used to connect a circuit conductor or other device to an earth plate

Ground Wire567. Current flow to the collector

95%568. Camera for imaging positron emitters using multiple layer of silicon

detectors

Compton Camera569. One main advantage of Swinburnes test

Economical and Convenient570. Original diameter of silicon wafer before processing

3-8 inches571. Detect the resistance temperature of semiconductor on metal oxide

Thermistor572. Particles when atoms join together to form compound

Molecule573. A time takes a robot to move from one location to the next location

Cycle Time574. _______ contains BIOS to read in when computer is 1ststarted

OS Memory575. Camera tube with minimum lag

Plumbicon576. A logic gate that is used ass odd parity checker


17/41

XOR577. A 99.5% pure aluminum has _____% conductivity

63578. Memory is another name for

Primary Storage579. Best application of wire wound resistor

High power dc circuit580. What is/are common to both fullwave and bridge type rectifiers

Vdc

Ripple Factor Percentage Ripple Frequency

581. An interaction phenomenon occur to both matter and wave

Quantum theory582. Three-phase ac

has three waves, both of the same amplitude583. Defines the work envelope of the robot manipulator

Range of the axis motion584. A ________ applies to a circuit with more than one emf source

Superposition theorem585. What signal produces resistance in a capacitor?

low frequency signal586. What is the ratio of the ou tput signal power compared to the total input

power of an amplifier?

Efficiency587. A device that converts electrical energy to mechanical motion

Solenoid588. A device that reduce the amplitude of the unwanted frequencies below

the level of the desired output frequency

Attenuator589. Advantage of electrostatic meter

It can measure ac voltages590. DC motor with high torque

Series Motor591. Oscilloscope that display longer time for analysis purposes

Storage Oscilloscope592. For advanced chip, the distance of each component is

1m593. Standard chip has distances between components of

2m to 3 m

594. Used as voltage reference on voltage regulators

zener diode595. Impedances in R + jXL

corresponds to unique reactance inductance corresponds to unique resistance

596. Parts of a transformer

Core, primary, secondary597. Cache memory

memory used in last register file and to be retrieved fasterdata598. Output of lead-acid battery

2.1 V600. Bleeder resistor

connected in parallel with the capacitor601. Thevenins voltage.

Can be represented by a single resistor connected in serieswith a voltage

602. Short circuit test

made in the secondary of the transformer603. Disadvantage of IC over discrete components.

low gain604. Conductivity of pure silver

108.8605. Most ICs are

Monolithic606. Half wave voltage doublers

2 rectifiers607. Lowest ripple voltage output

LC filter608. Wien Bridge

high frequency/inductance609. Wheatstone Bridge

resistance610. The meter sensitivity control of the test equipment would probably be

Linear taper potentiometer611. Which of the following is equal to 1.66 x 10-27kg?

Unified atomic mass unit (AMU)612. If the hole is considered to be +1 unit, then:

the electron is considered to be -1 unit613. What transformer is operated at 20 Khz 20 Mhz

carrier frequency transformer


18/41

614. The derivative of a sinewave

represents the rate of change615. The force that has not been magnetized between a metal and a

ferromagnetic material

is never repulsive616. Frequency of sinewave in hertz is:

1 divided by the period in seconds617. The camera for imaging positron emitters using multilayer silicon

detectors is called:

Compton camera618. Selenium is best suited for which application?

photocells619. ____ contains BIOS that is read in once the computer is first started

OS memory620. If two waves of the same frequency and the same phase would have a

composite wave that has a:

Magnitude equal to the sum of the two originals621. The contact between the metals and heavily doped semiconductors is

called

ohmic contact622. The main disadvantage of HOPKINSONs TEST for finding efficiency ofshunt dc motors is that:

It requires two identical shunt machines623. The simplest tube capable of amplification

Triode624. The charging current in the cable

leads the voltage by 90625. The approximate atomic weight of an element contains:

The number of protons plus the number of electrons626. The IC advantage that translates into less downtime

reliability627. It indicates the ability to reproduce the input variation

Fidelity628. The maximum number of electrons in the P layer of the atomic structure

72629. The graph between the amplitude ratio and the logarithm of the input

signal frequency

BODE Plot630. System which contains microprocessor, memory and input/output

interfacing

microcontroller631. The requirement for a DC armature winding is that

It must be a closed one632. The silicon solar cell is usually

A photovoltaic cell633. Lantern Batteries are best used in

2 way portable radios634. Transistor batteries are best used in

Electronic calculators635. Lithium batteries are best used in

microcomputer memory back up636. Strongest dielectric is

glass637. Solid grounding is adopted in voltages lower than

660 V638. Resistor grounding is used in voltages ranging from

3.3 kV to 11 kV639. A stand-alone device which includes microprocessor, memory and in/out

interface

microcontroller640. One characteristic of a single phase motor is

it is not self starting641. Current can be increased in solar panels by

connecting the solar cells in parallel642. Earthing is necessary for protection against

electric shock643. A basic rectifier that contain one diode only is

half-wave rectifier645. An oscilloscope that keeps the display for a longer period of time for

analysis purposes is the

storage oscilloscope646. About 1/5 of the range of wi-fi that can connect printers to PCs,earphones to phones and phone to phone is called

Bluetooth647. The first fuel cell batteries was designed by _______ in 1959

F.T Bacon648. What parameter changes when the height of a transmission tower is

increased?

Capacitance649. The electrode of an Alkaline Battery is

Potassium Hydroxide


19/41

650. produces non-sinusoidal waveform

Multivibrator651. It produces rectangular waveform

Gating Circuit652. Improvement of Wien-Miller Bridge; measure inductance in terms of

resistance and capacitance

Anderson Bridge653. determining inteript priority; distinguished priority on PC

Daisy Chaining654. harmonic generator Step Recovery Diode655.occurs during incomplete charging

Sulphation656. measure self-inductance with mutual inductance

Heaviside-Campbell Bridge Circuit657.improvement of Miller Bridge

Phantastron658. measures capacitance with two air capacitance

De Sauty659. converts step to ramp waveform

Miller Circuit660.measure inductance with large phase angle

Hay Bridge661.increase propagation delay

Monostable662.from dc to ac signal

Inverter663.oscillator with no stable state

Astable664.uses positive feedback

Oscillator665.measures temperature with reference to different resistance

Bolometer666.measures current and voltage waveform

Ondograph667. measures speed using flickering light

Stroboscope668. computer on a chip;parallel processing; 32 bits

Transputer669.refreshed battery

Trickle Chraging

670. car battery charging

Bench Charging671.charge or stand by

floating Battery672.mantissa, base and exponent

Floating Point673.to increase from 10% to 90%

Rise Time674.most dangerous type of short circuit

Dead Short Circuit675.use to measure frequency & capacitance

Wien Bridge676.provides constant current and constant voltage with a given res istance

Bootstrap Circuit677.projectile of electron

Electron Ballistic678.smallest parameter

ho

679.measured in short circuit by v1/i1

h11

680. used for 10-100 Ghz IMPATT681.in SCR causes false triggering

dv/dt682.in SCR causes local hot spots

di/dt683. size of a transistors base

0.51 micron684.base narrowing

Early Effect685. uses ceramic as substrate

Thin Film686.uses alumina as substrate

Thick Film687. 1 process

Monolithic IC688. probability of occurrence in outermost shell; forbidden band

Fermi689.energy distribution to the electrons of crystal at constant temperature

FermiDirac690.shaping of waveform using linear elements


20/41

Linear Wave Shaping691.unit for luminous intensity

Candela693.contains odd harmonics; symmetrical

Half Wave694.hot carrier diode; fast switching; no depletion region

Schottky695.uses for painting; maneuverable

Gantry Robot696.examples: Carbon, Semiconductors, thermistor Negative Temperature Coefficient697. power factor ranges from 0 to 1

RC Circuit698. doubles every 10 degrees Celsius

Transistor699. microprocessor

Ted Hoff700. doubles every 6 degrees Celsius

Resistors701. inversely proportional to oscillator frequency; inversely proportional to

reverse voltage

Varactor Capacitance702.for SET 0, CLEAR 0

NAND Gate703.for SET 1, CLEAR 1

NOR Gate704.series switch

AND Gate705.first to develop IC

JS Kilby706.consist of ALU and CU

Microprocessor or CPU707. consist of JK, RS and inverter; counts from 0-9 then resets

D Counter708.high impedance

Darlington709.anode, cathode & 2 gate terminal

SCS710. anode, cathode and gate terminal ; 3 diode

SCR711.has impedance of 4 ; 100 ohms

Speaker712.Ni-Ca: greater Rin ; Lead Acid: greater efficiency

Battery713. uses the word size of 64 bit

Largest Computer714.adds 2 binary bit and a carry

Full adder715.adds 2 binary digit and produces sum and carry; consist on AND and XOR

gate

Half adder716.consist of 2 interdependent circuits in which the first controls the output

of the second

Relaxation Oscillator717.made of 2 flip flop connected in series

Mater Slave Flip Flop718.information controlling in input output port

Handshake719. input gate current negligibly small ; similar property with thermionic

bulb

FET720.voltage gain cannot exceed unity

Common Collector721.current flows all the time

Class A amplifier722. increases efficiency; for impedance matching

Transformer Coupled Load723.Class A: 50% Class B: 78.5%

Class C: 85%

Amplifier Efficiency724.most maneuverable

Anthropomorphic725.continuous path robot

Walk Through726.fastest ;smallest propagation delay

TTL727. saturated logic

I2L728.best electronic device for switching

MOSFET729. same construction with SCR but no gate terminal


21/41

LASCR730.differs from MOSFET because it has no PN Junction

D-MOSFET731. acts as a diode and 2 resistor

UJT732.when not satisfied, the circuit will stop oscillating

Barkhausen Criterion733. Produces because of R L and C

Double Energy Transient734 units: Coulomb per meter square

Electric Flux Density735. Unit: Weber

Magnetic Flux736 .saturation voltage of an Op-Amp is usually 2V smaller than power supply

voltage

Saturation voltage of Op-Amp737. operates at 130 degrees Celsius

Class B motor738. operates at 150 degrees Celsius

Class F motor739. Conductivities:

Silver: 108.8% Pure Gold: 72.5% 99.5% Aluminum: 63%

740. Absorption of slow moving electrons by intervening matter

Ramsauer Effect741. FET Configuration

Common Gate:high frequency

Common Drain:buffer application

Common Source:voltage amplifier

742.an ac bridge used for determining unknown capacitance

Schering Bridge743.use for frequency measurement but commonly used for determining

unknown capacitance with great accuracy

Wien Bridge744.name for the very first transistor

Point Contact745. meter w/c requires its own power source

Ohmmeter746. Transistor battery best fits in

Electronic Calculator747. Hexagonal closed packed crystalline

Zinc757. In IC fabrication, the minimum distance between features

Geometry758. In power supply design, 15 Vdc output 20 Vac input which is not

required?

UPS

759. High sensitivity substance

PERMANENT MAGNET760. Concentrates magnetic flux line within itself

FERROMAGNETIC MATERIALS761. In RL plane, what is shown?

unique combination of resistive and inductive reactance.762. It increases inductance in the inductor

FERROMAGNETIC CORE.763. What are the advantages of metal oxide semicon

SENSITIVE AND CAN BE DAMAGE ELECTROSTATICALLY764. Op-amp

VOLTAGE REGULATOR, USE AS COMPARATOR765. A DC voltmeter is high sensitive and accurate in measuring

HIGH RESISTANCE CIRCUIT766. A net electric charge in an isolated system remains constant

LAW OF CONSERVATION OF CHARGE767. A change of crystal frequency when L or/& C connected in parallel

0.1%768. Cell often used in emergency system

SILVER OXIDE769. DC armature resistance

0.5 ohms770. The speed of Universal Motor is

DEPENDENT OF FREQUENCY OF SUPPLY VOLTAGE771. In context of corona, if the conductor is polished and smooth which

statement is true?

CORONA GLOWS UNIFORMLY ALONG THE LENGTH OFCONDUCTOR

772. Maximum change of power that a normal human can hear

1dB


22/41

773. An error which cannot be correct through calibration or any method of

control which source is unknown

RANDOM ERROR774. Minimum increment measurable with certainty in instrument

RESOLUTION775. Which of the following is not a sinusoidal wave generator

MULTIVIBRATOR?776. Meter movement uses current induced in thermocouple by heating the

resistive element

THERMOCOUPLE METER MOVEMENT777. It is the movement of electron

HOLE CURRENT778. In switching devices, gold doping is used to

reduce storage time779. Emitter connected to base of the 2ndtransistor----

Darlington780. Non triggered oscilloscope one which has----

continuous time base generator781. Optical couplers designed to _______ one circuit from another---

isolate782. Amplifier is said to suffer from distortion when its output

different from the input783. Zener diode shunt voltage regulator, diodes continues to regulate in the

_____condition----

reverse784. In the depletion region of the PN junction----

increases the width in reverse bias785. AND gate ---

series switching circuit786. Invented the 1stIC chip----

J.S. Kilby787. Improper biasing of the transistor leads to----

distortion of the output signal788. Any charge given in a battery which is taken from vehicle is called----

Bench charge.789. Non-sinusoidal oscillator---

multivibrator790. ______ bridge measure unknown inductance in terms of known

resistance and capacitance.----

Anderson

791. A deviation movement in measuring instrument from zero value ----

zero drift792. Electron hole pairs produce by-

Thermal energy793. Minimum reverse voltage over maximum reverse voltage.----

Tuning ratio/ Capacitance ratio794. Sediments form in the bottom of a lead acid battery----

Antimony lead acid795. PF. Of RC network---

between o and 1796. Class A amplifier conducts 360 deg. because Q is in ____-----

centered load line797. BJT is cut-off----

Vce=Vcc798. Study of trajectories of projectiles of electron with impluence by electric

and magnetic field----

Electron Ballistic799. In RC resonator, if C is doubled what happen to critical frequency----

Halved800. Any non-sinusoidal wave change the shape by passing the signal through

a device composed of linear element----

linear wave shaping801. In American Welding Society (AWS) welding electrode designation 1/8

E6011, what does E stand for?

Arc Welding Electrode802. Voltage produce by light.

Photoelectric voltage803. Calculation of end effector position, orientation, velocity and

acceleration when the joint values are known

Direct kinematics804. How many commutators are required in a two coil generator

4805. In P type materials, electrons are _______.

Minority carrier806. Portion of the jointed arm which is connected to the shoulder.

Upper arm807. What takes place when the armature current of the armature becomes

an electromagnet?

Armature reaction808. Maintains the highest ratio of robot worker to human worker

Japan


23/41

809. _____ welding means the use of inert gas.

MIG (Metal Inert Gas)810. For animated graphics involving fast moving, you should ideally use

_______.

Noninterlaced monitor811. Floating charge is sometimes called _______ and is accomplished with

low current.

Trickle charge812. Back to forward resistance ratio of a good quality diode

10 to 1 ratio813. What digital IC is least susceptible to noise?

Transistor-transistor logic814. What is the group of joining processes which produces coalescence of

material by heating them to a suitable temperature?

Soldering815. If the load impedance of an oscillator is to high,

Its not a cause forworry; it cant be too high.816. Structure of robot is usually mostly mechanical and is called _______.

Kinematic chain817. Energy level that produces close proximity of atoms is a solid.

Energy band818. Advantage of complier over interpreter in a computer.

An object can be stored and reused as often as required819. refers to the mean time o which the excess o electrons and holes exists

before they recombined and disappeared

excess carrier lifetime820. a periodic waveform possessing a half symmetry has no.

even harmonics821. in BJT, Ib=100A and Ic=10mA what is the range of beta?

to 10822. when two simple low pass filter having the same values of R and C in

cascaded the combined filters will have a roll off of

-40dB/decade823. the input impulses gets converted to spike o the alternating polarities

using a high pass RL circuit with small time constant.

: peaking824. a circuit used to generate a rectangular waveform and hence used to

gate to other circuit.

: gating circuit

825. the circuit is tuned by changing the voltage applied at resonance

frequency.

electrical tuning non sinusoidal826. waveform are made up of

different sinusoidal waveform827. the most useful AC bridge for comparing capacitances of two air

capacitors.

: de sauty bridge828. what principle is used in cathode ray tube to deflect an electron beam

: magnetic delection system for current working NPN BJT,the different electrode should have the following polarities

with respect to emitter.

829. for current working NPN BJT, the different electrode should have the

following polarities with respect to emitter.

: collector + ve, base + ve830. the PIV is applied across the diode when it is

: reverse biasthe word robot coined by

: Karel Capeksemiconductor device that behaves two SCR

: triac4 bit data word

nibbletransistor amplifier with 85% efficiency is most likely

classca notching relay

: switches in response to specific number of impulsesreceived

Johnson noise in an amplifier is a noise due to

: the act that electrons in resistor is carry slightly differentamounts of energy

special featured of I2L

: bipolar saturated logicoscillator that has the best frequency stability

: crystalthe SI unit of illuminance at a point of a surface

: luxBy degrees of freedom is meant to the number of __________ directions

which the end effector of a robot can be move.

: independent


24/41

Testing the blown cartridge fuse by connecting a test lamp from one clop to

other suspected fuse is always indicate a:

: blown fuse if lamp lights up.Half adder can be constructed by

: one XOR and one OR and their inputs connected in parallelJunction breakdown occurs when

under reverse biasThe main job of a voltage regulation provide a nearly __________ output

voltage

constantCapacitor is made up of

: two conductor separated by an insulatorA diode used as an voltage regulator

zener diodeAn amplifier suffer from distortion when the output is

different from the inputastable multivibrator

is an oscillatorWhat is the primary use of a megger

: measure high resistance

What is a universal motor

can be operated either ac or dc supplyThe least effect of corona

: atmospheric temperatureThe change of direction of a needle in a compass, when current carrying wire

is bought near

: electromagnetic deflectionLantern battery

usually seen on a 2 way portable radioCenter-body crystalline cube

chromiumIn a vector diagram, progression of time usually depicts on

rotational counter clockwiseminimum nos. of diode in a basic half-bridge amplifier-

oneDetermining the best pole:

specification of system performance practical considerations

DC motors is most affected by

copper loss

In small induction =

energy is stored & released quicklyProcess w/c is not included in monolithic IC fabrication-

Die CastingChange in magnetic field-

Produces fluctuation in electric fieldReason why high range is use when voltmeter is connected in a circuit

to prevent excess current through meter movementPower loss due to corona is not proportional to space---

between conductorsOutstanding features of universal motor:

Highest output of kW/kg ratioWhat gives OP amps immunity to noise immunity to noise:

HysterisesJFET references point JFET

SourceIt helps in energy conversion

counter emfrobotic arm w/c allows the robot to move, yaw,pitch and roll

manipulatorit compose of passive components such as resistor and capacitor

Film ICplace where the cathode in dry cell found

zinc containergain of buffer amplifier

unityconductivity of semicon when there is light

increasingfault connection

faulty wiring connectionsall odd harmonics

square waveA transistor that operates on a Non saturated switch eliminate

Storage Time.The time required for Ic to reach 90% of its maximum level from 10 % level is

Rise Time.DE MOSFET differs from JFET

generally because It has no PN Jnunction.CMOS circuits are extensively in onchip computers because of its

extremely large packing density.


25/41

Nickel Iron Battery has active elements of

Nickel Hydroxide; powdered Iron with its oxides; 21% solution ofcaustic potash.

A Transformer coupled Amplifier would give

Impedance Matching.When an emitter bypass capacitor in a CE amplifier is removed its

voltage gain is considerably reduced.A circuit that uses an integrator to convert a step wave to a ramp wave form

is a

Miller Circuit.A phototransistor is more like a conventional transistor except that in there

case

it uses light energy to switch it on.Before illuminating a PN Junction Photo Diode

it has to be reversed biased.When an IC is formed by depositing the required devices of passive elements

like resistors, capacitors and is interconnected on an insulated substrate

it is a Film ICThe emitter of a transistor is generally doped the heaviest

because it has to dissipate maximum power.The difference between a J-K flip flop from a S-C flip flop is its

Toggle Condition.When a PN Junction is produced, the diffusion current would cause a

Barrier Potential.In the Operation enhancement only Nchannel MOSFET,

the value of its gate voltage is highly positive.Silicon is Z = 14, its outer sub shell

is halffilled.OS Memory

contains the bios that is read in when the computer is first started.

Cycle time

is the time it takes for a robot to move from 1 location to anotherlocation.

The diameter of the original silicon wafer before processing is

38 inches.A main advantage of the swinburnes test is that

it is economical and convenient.How much current in a transistor that will flow through the collector?

95%

The derivative of sine wave

is a representation of the rate of change.Reluctance

is the property of a material that opposes the creation of themagnetic flux

What type of meter requires its own power source?

OhmmeterA transformer that normally operates at 100 150Khz is a

Converter Transformer.A camera for imaging positron emitters using multilayers of silicon detectors

is a

Compton Camera.What is done when you make a Ntype semiconductor material?

Adding of donor impurities.Interactions whether desired or undesired in between parts of a control

system, can result in a

multiple loop control system.If two waves have the same frequency, the same amplitude but opposite in

phase,

the composite wave is zero. A metal film resistor has

less reluctance than a wire wound type. The atomic mass unit in grams is the reciprocal of the

Avogadros number.Ground wire is used to

connect a circuit conductor or other devices in an earth plate.Ferranti Effect

when the load in the receiving end of a long transmission line isremoved, the sending end voltage is less than the receiving end

voltage

F.T. Bacon -

designed 1stfuel battery in 1959Critical Resistance

value of resistance w/c reduces the square root term to zero w/cgives a real, equal and negative roots.

Offset Voltage

potential between amplifier input terminals of op-amp in closedloop condition.

Molecule

atoms of elements join together to form a compound.


26/41

Thermistor

detects change in resistance w/ temp.Diffusion Length

ave. distance covered by an excess charged carrier whilediffusion during lifetime.

Differential Amplifier

SubtractorSpeed of Response

rapidity w/ w/c the system responds to a change in quantityto be measured.

What is the difference between actual rotor speed and the synchronous

speed in induction motor?

SlipWhat type of rotor winding in which heavy conductors are imbedded in the

rotor body?

Squirrel-cage windingIt is frequently used in digital frequency counter

LEDWhich of the following has the lowest forward voltage?

GermaniumHigh temperature metals such as columbium can be easily welded by

_______ welding.

BeamThe power transfer efficiency from source to load ________ as load

resistance increases

increasesUsed in measuring unknown inductance

Inductance BridgeProduce coalescence metal when heated electrode is consumable and with

weld pool. Uses in welding Aluminum

Gas Metal Arc Welding (GMAW)Produce Coalescence metal, when arc is place between stub metal.

Stub Arc WeldingThis method of monolithic IC production, elements do not penetrate the

substrate.

EpitaxialUsed in measuring unknown capacitance.

Capacitance BridgeElectrodes are identified using _________ numbering system and their sizes

of electrodes are from 1/16 to 5/16

American Welding SocietyThe horizontal dimension displayed by the oscilloscope

Time per Unit DivisionIn charging, the charging process that measures the battery voltage instead of

current charge.

Floating CurrentAn amplifier in which the transistor is in its active reg ion for less than half the

signal cycle

Class C amplifierWhat is the advantage of full wave bridge type transformer?

It uses full secondary windingsMIG welding is becoming popular in the welding industry because

Easy operationAn electrode similar characteristic as E6010 but it uses AC and DC currents

E6011PN junction at reverse bias, capacitance does not depend on this

frequencyWeld electrodes conduct the electric current to the two pieces of metal as

they are forged together

Resistance WeldPerson study robots

RoboticistDuring Arc welding, the current is in the range of

50-400AUsed in synchro system containing either differential transmitter or control

transformers reduces the stator current and increases the accuracy of the

system.

Synchro CapacitorAn arc is formed between a non-consumable tungsten electrode and metal

being weld

TIG weldingWorking from a product design likely to exist in a CAD data base, it compasses

the computer technologies that physically produce the product including

parts-program preparation, process planning, tool design, process analysis,

and parts processing by numerical controlled machines

Computer Aided Manufacturing (CAM)The detection by robot through contact of touch, force, pattern, slip, and

movement allows determination of local shape, orientation and feedback

forces of a grasped workpiece.

Tactile SensingThe degree of which a process has been made automatic.


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Level of AutomationConductivities

Silver: 108.8% Gold: 72.5% Aluminum: 63%

Absorption of slow moving electrons by intervening matter

Ramsauer EffectAn ac bridge used for determining unknown capacitance

Schering BridgeUse for frequency measurement but commonly used for determining

unknown capacitance with great accuracy

Wien BridgeName for the very first transistor

Point ContactA meter w/c requires its own power source

OhmmeterServes as a cathode for dry cells

Zinc Container

SMPS

Switch Mode Power Supply dc to dc converter with regulated output 10 40 kHz

Commonly found in an interruptible power supply

Lead Acid BatteryLantern Battery

found in two way portable radioTransistor Battery

used in electronic calculatorLithium Battery

for microcomputer backupinput impedance of ideal op-amp

50 ohmssurge resistance for cables

50 ohmsMaximum capability of wire to hold current

AmpacityCorona

occurs maximum at transmission lines

discharge of electricity from a conductor with high potentialHalf-wave Voltage Doubler

made up of 2 half-wave rectifierTransformer core

laminated to minimize eddy current lossGives op-amp immunity to noise

HysteresisRequired replacement working voltage when replacing a capacitor

10 % - 20% higherWide Bandwidth Amplifier

an amplifier w/c has poor selectivityCombinational Logic Amplifier

used in creating semiconductor ROMPacking Factor

ratio of volume of the atoms to the cell volumeCeramic

bypass capacitor used for high frequency applicationRC Synthesis

technique used to eliminate the need for inductive elementsof monolithic IC

Damping Factor

determines the filter response characteristicSolid Grounding

adopted for voltage below 600 VResistance Grounding

adopted for voltage from 3.3 kV to 11 kVStray Loss

not considered loss a transformerGauss Theorem for Magnetic Flux

magnetic flux in any discrete surface is equal to zeroRheostat

it can handle more power than potentiometerFerranti Effect

can be seen for long transmission linesFlywheel Effect

occurs at oscillationAvalanche Effect

occurs at diodeFrenkel Effect


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vacant lattice sites wherein a missing atom is relocated in alocation in w/c an atom should not be found

misalignment of electron to holeVacancy Defect

missing atomBravais Lattice

a lattice w/c only shows the lattice points in a crystalSensyl

points the direction of an objectDynamic Resistance

resistance at the pn junction under ac conditionPotential Gradient

in a cable, it is maximum at the conductor and minimum inthe outer sheath

Impracticality of High Voltage Cell

because there isnt any real need for such thingMaxwell Bridge

measures inductance from known capacitanceWelding Cold Wielding

pressureCycloconverter

converts ac to acNegatron

same as electronSilver Zinc

for emergency purposePacking Factor

74% for face centeredSchmitt Trigger

op-amp with hysteresisDifferentiator

subtractor capacitor is in series in input

Integrator

capacitor is on feedback pathDistance of component on standard IC

62. 2 5 micronDistance of component on advance IC

63. 1 micronGeometry

comparison of features of IC

Stack

LIFOProgram Counter

points the next commandInstruction Register

holds the present command1.6 V

typical threshold of LEDOrthogonal Nulling

effect in which input affects output but output cannot affect input3 to 8 inches

size of standard wafer before used as IC74. 1 dB

smallest change in sound that can perceive by human earWeston Saturated Cell

reference cellGalvanized Steel

used to ground electric wiresCache memory

recently used / frequently used memoryOS Memory

BIOSManipulator

robot armStorage Oscilloscope

used to display responses for long duration of studying purposeIEEE 488

most important standard for digital interfaceAtomic Mass unit

reciprocal of Avogadros Number 1.6607 x 10-27kg

Skin Effect

only at high frequencyPre-Amplifier

voltage amplifierElectronic Oscillator

OP-Amp + Feedback1%

stray lossPush pull


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2 transistorsPermeameter

measures magnetic characteristic of ferromagnetic materialsChebyshev

passband filter with rippleElliptical

bandstop with sharp notchLASCR

also called latch SCR with no gate terminal

D Flip Flop

binary counterFET

thermionic valveGimmick Capacitance

capacitance made by twisted wireGratz Rectifier

3 phase full wave rectifier made with 6 rectifying elements2mm

repeatability of servo-motor5.6 V

zener diode that will result to best stability15. 3.56 dB

noise figure of MMICMonolithic IC

made from passive and active componentFilm IC

made from passive component onlyAir Core

used for 95 MHzTorroid Core

used for 400 kHzOptoisolator / Optocoupler

LED + phototransistorBistable

it composes the flip flopJK and SC Flip flop

toggle switch is the only differenceROM

made of combinational logic circuitWord

16 byteDouble

32 byteDIAC

2 pairs of SCRDarlington

2 transistorsPunch Through Effect

when Vce exceeds active region, breakdown occursPersistor

superconducting elementCMOS

Complementary Metal Oxide SemiconductorECL

high speed compared to TTLTT

least propagation delayPilot Cell

indicates the condition of the entire batteryMercury Cell

pollutes the environmentDry Cell

ready to use even without initial chargingShort Dead Circuit

causes explosionPolyesteryn

good capacitorAnalog IC

linear changesDigital IC

discrete changesEqualizing Charge

used for battery to return to original stateZero Drift

disparity from mechanical zero due to passing of time


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l b h i l h i hi h li k i h i f ll


31/41

Most compulsory robot that uses serial chain which link to connect one to

another to it.

Serial robotThe maximum voltage that can be steadily applied to capacitor without the

capacitor breaking down (short) is called ____ of the capacitor

Work voltageWhat generator having field wound and armature wound connected in

parallel

Shunt wound dc generator

Shunt is mostly contained of what alloy?

ManganinCompare to straight-cut spur gear, helical gear___

have less backlashWhat considered as piece of mechanical with an interesting control aspect?

RobotCover that protects the magnetic or electromagnetic in affecting other object

ShieldingUnlike TIG welding, MIG welding

uses consumable electrodesThe reason cds do not have repeated playback

nothing touches the diskPortion of welding during interval where welding current flowing__

heat-sub intervalRobotics is a multidisciplinary subject which embracing the elements ____

mechanical engineering, electronics, computer science, controltheory

A resistance welding that produces coalescence simultaneously with the

entire area of abutting surfaces

Flash Welding (FW)A robot that is controlled by driving the axes or degrees of freedom against

the mechanical limit stop

Bang-bang robotGenerator used what kind of method to produce voltage?

magneticWhat is radio-frequency oscillator?

has most or all energy in single frequencyWhat type of amplifier is most efficient?

class C

----- unit that consist of two or more cell

CenterTransconductance is expressed as

change in drain current to change in gate voltageBleeder resistor

connected in parallel with filter capacitorA crystal set

requires no oscillatorThe current in a JFET is not affected by which of the following

transconductanceThe substrate is deposited in a material made of insulator

Hybrid CircuitAn electronic flash device in which flash duration is very short

StrobotacA toothed belt:

is also known as timing beltIn general, the greater the absolute value of the impedance in a circuit:

the larger the reactanceThe robot can produce a range of facial expression...

kismetCDs are not generally for recording:

via magnetic fieldGaAs is a(n):

compoundIn a ROM:

it is easy to get data out, but hard to put it inIn a RAM:

it is easy to get data out, and put it inIn a NPN circuit, the collector:

is negative w/ respect to emitterThe purpose of I layer in PIN diode:

minimize the diode capacitanceWhat is used for precise measurement of resistance:

wheatstone bridgeA tube w/ three grids:

pentodeA typical audio recording tape thickness is:

1milShunts is made up of what alloy:

manganin

Th l d i MIG ldi d i id l f


32/41

The power supply used in MIG welding:

DCRPWhich of the diodes types might be found in oscillator circuit in a microwave

radio transmitters:

IMPATT diodeThe output of r-s flip flop is also known as:

set & resetThe current in cell with no external load

Local actionThe advantage of JK over RS flip flop

The output of JK is predictableA tube with cold cathode

There is no filamentHoles flow from

Plus to minusTo rotate about a vertical axis

YawThe set of independent displacements that specify completely the displaced

or deformed position of the body or system.

Degrees of freedomWhat is the power supply voltage for integrated series circuit?

5 VWhat is the output of a half-wave rectifier?

the effective voltage is less than that of the ac input waveWhich of the following is NOT function of fuse?

to ensure there is enough current available for an appliance to workright

Phenomenon in which a material becomes more conductive due to the

absorption of electro-magnetic radiation such as visible light, ultraviolet light,

infrared light

PhotoconductivityWhat number is the charged of an atom that appears

oxidation numberWhat is the ratio of an atom of one isotope having the same element?

Abundance RatioWhen wave X lags wave Y by 1/3 then

wave Y is 120 degrees earlier than XIt is also called Law of electric charge

Coulombs Law

produces non-sinusoidal waveform

multivibratorproduces rectangular waveform

Gating CircuitAnderson Bridge

measure inductance in terms of resistance and capacitance;Improvement of Wien

Maxwell BridgeDaisy Chaining -

determining inteript priorityStep Recovery Diode

harmonic generatorSulphation

occurs during incomplete chargingHeaviside

CampbellBridge Circuit

measure self-inductance with mutual inductancePhantastron

improvement of Miller BridgeDe Sauty

measures capacitance with two air capacitance.Miller Circuit

converts step to ramp waveformHay Bridge

measure inductance with large phase angleMonostable

increase propagation delayInventor

from dc to ac signalAstable

oscillator with no stable stateOscillator

uses positive feedbackBolometer

measures temperature with reference to different resistanceOndograph

measures current and voltage waveformStroboscope

measures speed using flickering light

T i kl Ch i F i Di


33/41

Trickle Charging

refreshed battery & fully chargeBench Charging

car battery chargingFloating Battery

charge or stand byFloating Point

mantissa, base and exponentRise Time

to increase from 10% to 90%Bootstrap Circuit -

provides constant current and constant voltage with a givenresistance

Electron Ballistic

projectile of electronho

smallest parameterh1i

measured in short circuit by v1/i1dv/dt

in SCR causes false triggeringdi/dt

in SCR causes local hot spots30.5 1 micron

size of a transistors baseEarly Effect

base narrowingThin Film

uses ceramic as substrateThick Film

uses alumina as substrateMonolithic IC

1 processFermi

probability of occurrence in outermost shell forbidden band

Fermi Dirac

energy distribution to the electrons of crystal at constanttemperature

Linear Wave Shaping

shaping of waveform using linear elementsCandela

unit for luminous intensityHalf Wave

contains odd harmonics symmetrical

Schottky

hot carrier diode fast switching no depletion region

Gantry Robot

uses for painting maneuverable

Negative Temperature Coefficient

examples: Carbon, Semiconductors, thermistorRC Circuit

power factor ranges from 0 to 1Transistor

doubles every 10 degrees CelsiusResistors

doubles every 6 degrees CelsiusVaractor Capacitance

inversely proportional to oscillator frequency inversely proportional to reverse voltage

NAND Gate

for SET 0, CLEAR 0NOR Gate

for SET 1, CLEAR 1AND Gate

series switchJS Kilby

first to develop ICTed Hoff

microprocessorMicroprocessor

consist of ALU and CU

CPU Anthropomorphic


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. CPU

consist of ALU and CUD Counter

consist of JK, RS and inverter counts from 0-9 then resets

Darlington

high impedanceSCS

anode, cathode & 2 gate terminalSCR

anode, cathode and gate terminal 3 diode

Speaker

has impedance of 4 100 ohmsBattery

Ni-Ca: greater Rin Lead Acid: greater efficiency

Largest Computer

uses the word size of 64 bitFull adder

adds 2 binary bit and a carryHalf adder

adds 2 binary digit and produces sum and carry consist on AND and XOR gate

Relaxation O

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