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

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Explain why does an op-amp have high cmrr?

1058

What types of inverters require feedback diodes?

1479

Give some examples of power electronics applications in the day-to-day life?

1069

Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

1158

What are the applications of an inverter?

1073

For the cmrr to be infinite what will be the condition?

1206

What is the duty cycle in on-off control method?

1102

What is meant by pulse triggered devices?

1043

What losses occur in a thyristor during working conditions?

1272

What is the formula for non inverting amplifier?

1135

what is an operational amplifier?

1126

what are differential gain and common-mode gain of a differential amplifier?

1019

What is non-weighted code?

1179

why the circuit turn off time should be greater than thyristor turn off time?

1138

Explain the operation of multistage control of ac voltage controllers with neat diagram?

1092

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Un-Answered Questions { Electronics Communications }

Draw the circuit of cc configurations using npn transistor.

1179

Why 440 volts instead of 660 volts in 3 phases of supply system?

917

Explain why the aspect ratio of tv video display is 4:3 or 16:9?

953

what is perfect balance in opamp?

1125

5. What is the maximum transmit power of FlexiEdge BTS

1878

Why is an excess-3 code is called an unweighted code?

1151

How micro processor works without internal memory?

1132

In what does the Gas Leds emit radiation?

1053

is the syllabus of group1 and group2 same for all graduates like btech,bsc,bcom?

1933

How many hours did the fuse tubelight glow after it connect it to the rectifier circuit?

1831

What are power diodes?

1235

what is call flow!

2297

Distinguish between jfet and mosfet.

1221

What are the disadvantages of bjt?

1075

i want last 5 yrs Q papers of rrb(any) send me at puneetchauhan_8782@yahoo.co.in

2241

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