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

Electronics Communications Interview Questions

Questions Answers Views Company eMail

What is meant by retrace time?

1130

What is pin diode?

1193

Why is it necessary to include voltage stabilizer in a power supply?

1155

What is meant by operating point?

1004

Why silicon and germanium are the two widely used semiconductor materials?

1045

What is q-meter?

1096

What is the difference between active and passive filters?

1174

why diodes are not operated in the breakdown region in rectifiers?

1228

What do you understand by voltmeter multiplier?

1079

Define what is the effect of temperature on the reverse current of a p-n junction?

1099

What is meant by phase reversal?

1136

What is the significance of the arrow-head in the transistor symbol?

1492

What is photodiode?

1007

What is meant by radix (or base) of a number system?

1131

Explain the operation of 3φ bridge inverter for 1800 degree mode of operation with aid of relevant phase and line voltage waveforms?

986

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Un-Answered Questions { Electronics Communications }

Tell me something about IN call Flow and what is the difference between the flows in both GSM and CDMA technologies?

2202

Define what do you understand by reverse saturation current of a diode?

1119

Define peak inverse voltage?

1088

What is the importance of if in radio receiver?

946

why sometimes PF value have an negative sign?

2079

Why silicon and germanium are the two widely used semiconductor materials?

1045

How to find resistivity?

1142

WHY IGBT IS CALLED MINORITY CARRIER DEVICE?

2641

why BTS use 48 dc volt

2054

Explain why an ordinary transistor is called bipolar.

1001

what is BIAS current/ voltage?

6798

what do we mean by the term PTT in mobile? & what is the main function of PTT service?

1966

what are radio collars?

2213

Tell me what is memristor? How many modes it works? Also what is its advantage? How it differ from others & why the name evolve? & What is its uses?

3660

Explain the use of excess-3 code.

1103

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