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

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?

980

What electronics are involved to build a device like a guitar tuner where you press a button to get a specific tone?

1038

How does a signal differ from a wave?

1021

What is the difference between masking and non-masking?

1110

Tell me why gold is added to the p-n junction?

1036

How rectangular filter are practically made?

1057

What is cmos transistor?

978

Explain what are the main advantages of synchronous circuit?

956

What is a bcd? What are its advantages and disadvantages? Why is an excess-3 code is called an unweighted code?

1051

Tell me why bjt is called current control device?

986

What is the difference between emulator and simulator?

1009

Explain what is the purpose of the package around a microprocessor silicon die?

1051

In connections of mcb, is it necessary that the incoming side supply should be connected at top side of mcb. Whether this has any effect in tripping of mcb in case of fault?

1020

What is the meaning of tristate signal in electronics?

1039

What is fbus protocol and its use?

989

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Un-Answered Questions { Electronics Communications }

why rs232 is used in uart when there are many rs devices like rs449 etc . what is the main advantage in using rs232

2990

R/s syllabus required to crack Mahagenco interview for jr eng. post. I also want sample papper

2642

What is the purpose of using an instrumentation amplifier.

1118

can any one tell difference between 802D and 810D???

3362

idea uses the 1800mhz band with alloted 4.4mhz bandwidth. this band is divided into 22 channel(up link).how will operator divides these channel in to traffic channel and control channel. explain

2235

Explain what is a voltage transfer curve of an op-amp?

983

3 flipflops are connected so that after 0 to 5 count occured next number is zero. So what is the counter?

1086

IN WCDMA(WIDE CODE DIVISION MULTIPLE ACCESS)WHICH ONE FREQUENCY HOPPING IS USED EITHER FAST FREQUENCY OR SLOW FREQUENCY HOPPING,SAY IN DETAILS

2497

what happen when the rectifier circuit is connect with the tube light?

1978

How to convert three phase to single phase in ups

1663

Define pulse width modulation?

1011

What is monostable multivibrator?

1058

Explain how zener diode maintains constant voltage across the load?

1000

What are the operation of mosfet?

1109

Explain why is an excess-3 code is called an unweighted code?

1110

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