Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

How the current is reduced to zero in a photodiode?

1127

Why half-wave rectifiers are generally not used in dc power supply?

1378

Why temperature coefficient of resistance of a semiconductor is negative?

1082

Define why iceo >> icbo?

1465

What is static resistance of a diode?

1171

Why iceo >> icbo?

1284

How an ammeter can be changed to a voltmeter?

1244

Define what happens to the series current , load current and zener current when the dc input voltage of a zener regulator increases?

1271

Define what is the importance of valence shell and valence electrons?

1158

Why is the grid in a cro provided with a hole in it?

1097

Define breakdown voltage.

1047

Why r-c filters are suitable only for light loads?

1123

Why is space region called the depletion region?

1074

Is a hole a fundamental particle in an atom?

1071

Define dynamic resistance of a p-n junction diode in forward biased condition.

1113

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Un-Answered Questions { Electronics Communications }

Can we interchange the source and drain terminals in a fet circuit? Can we do the same with the emitter and collector terminals of a bjt circuit?

1170

What is a pointer and does Java support pointers? What is the difference between a JDK and a JVM?

1984

what are the fiber losses,How to rectify it?

2079

What types of carriers are present in space charge region?

1265

Tell me why bjt is called current control device?

1039

Compare the generalized subnetting with VLSM.

2224

What is the work of BOIA, TRx, BB2F, Duplexer, Combiner, Multi-coupler, RRI.

3424

Which semiconductor device is used as a voltage regulator?

1110

Suppose you have been asked to design one electronic circuit then starting from basic what procedure do you follow?It should include all standard industrial measures. Please reply.Thanks.

2016

Define what is tunnel diode?

1162

What is the difference between demultiplexer and decoder?

1278

Explain the difference between dcs & plc & scada?

1098

What is tunnel diode?

1085

Define what is the effect of removal of bypass capacitor in a ce amplifier circuit?

1206

How many mosfet switches are there in dynamic ram?

1072

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