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Electronics Communications Interview Questions
Questions Answers Views Company eMail

What is a low-pass filter?

1217

What is engineering?

1038

What is zener voltage?

975

What is a zener diode?

1089

Define what is zener voltage?

1080

Discuss the need for biasing the transistor.

1052

Define what is meant by led?

1073

Define what is intrinsic semiconductor ?

1015

Why collector is made larger than emitter and base?

1010

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

1171

What is the difference between an ammeter and a voltmeter?

1089

Why an ordinary junction transistor is called bipolar?

1129

Define what is its magnitude for ge and si?

1383

Where lcr meter is used?

1130

For explain what vertical and horizontal plates are provide in a cro?

1012


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

what is the source of time varying electric field?

2443


What are the advantages and disadvantages of jfet over bjt?

1057


Why is bleeder resistance employed in a filter circuit?

1230


Explain why an ammeter should be of very low resistance?

1019


What is meant by level-sensitive devices?

1294


What is modulation? Explain in detail.

1030


The output of the rectifier pulsating in nature, it consists of a desired dc component of voltage and unwanted ripple components. These ripple components are removed by placing filter circuit at the output of the rectifier.

1195


What is meant by the deflection factor of a cro?

1142


In india What are the best institutes for telecom job oriented training,am b.tech e.c.e fresher?

2618


which are the five general EMI(electromagnetic interference) testings conducted on any system?

2009


What is the equivalent of negative logic and gate?

981


what is main difference between gsm & cdma

2159


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

1205


why we use chopper circuit in TV ?

2354


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

1036