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Electronics Communications Interview Questions
Questions Answers Views Company eMail

Define what is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

1040

Define what is a high-pass filter?

1008

Define what is demodulation?

1244

What is q-factor of the coil?

1209

Define beta of a transistor.

1092

Why the width of the base region of a transistor is kept very small compared to other regions?

1391

Define what is hole current?

1163

Define what is space charge width?

1186

Ripple as referred to in a rectifier circuit.

1110

What is a varactor diode?

1068

Which two currents are relatively close in magnitude?

1217

Differentiate semiconductors, conductors and insulators on the basis of band gap.

1010

What is piv of a diode in a rectifier circuit?

1067

Define what is meant by operating point?

981

What is a lissajous pattern?

1045


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

Explain in detail the thevenin`s theorem

1024


why ,in CE configuration amp the output is 180 deg phase shift....?

2625


What is memristor? How many modes it works? What is its advantage?

1100


Explain the approximate cost of the monitoring cables time domain reflectometry?

1026


Explain how to convert binary to excess 3 code and vice verse?

1028


Why are ics so cheap?

1087


How can increase strength of EMF in AC motor?

2248


What type of gating signal is used in single phase ac voltage controller with rl load?

1319


Explain what is meant by saying at what current is transistor biased?

1104


What are the parts of network management system (nms)?

1013


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

2500


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

1205


Is reverse saturation current of a diode is independent of reverse bias voltage?

1090


Explain what is the difference between inductance and resistance?

1140


Define cut-in voltage of a p-n junction diode?

1147