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Electronics Communications Interview Questions
Questions Answers Views Company eMail

What is forced commutation?

1100

Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?

1176

Explain why is the diffusion technique of formation of resistor most widely used?

1078

what are the applications of integrators?

1069

What are the advantages of load commutated chopper?

1388

What is meant by dc chopper?

1057

what is an excitation table?

1199

What is the main purpose of power electronics?

1049

What are the main components used for isolating the power circuits, power semiconductor from the low-power circuit?

1269

Power mosfet is a voltage controlled device. Why?

1121

Why is sio2 layer formed over the entire surface in a monolithic ic?

1308

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

1043

What is load commutation?

1048

What is meant by high frequency carrier gating?

1244

What are the losses that occur in a thyristor during working conditions?

1128


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

how to prepare a cv?

1930


hello sir, could u plz send me a sample placement paper for hpcl trainee engg exam..(electrical stream)...hoping to hear from u at the earliest

1829


WHAT TYPE OF GKS ASKED?

1983


is Motorola GSM Duplexer active or passive device?

2411


Define fall time?

1118


how much power is required for a 200 watts bulb if 60p/unit is observed?

1900


What is space charge width?

1051


What is the condition to be satisfied in the selection of l and c in a series inverter?

1906


can anybody mail the exact sylabuss for ECIL

2129


Is the output power different from input power.?  rated input voltage” Is that the voltage we give to the driver or the voltage which comes out from the driver?

1780


Give application of wireless modem.

1030


is below 2 ohms earth resistance is good for mobile tower

2177


pls. send me 10 years modle papers for the post of section engg. (E&C) in rrb ajmer, at my mail id i.e. praveen.yugal@gmail.com.

1956


I am a B Tech student n am very much interested in science n math.in which site i can find more concept regarding ECE?

1839


How can a pseudo random noise code be usable?

1347