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Un-Answered Questions { Electronics Communications }

What is forced commutation?

1043


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

1124


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

1035


what are the applications of integrators?

1028


What are the advantages of load commutated chopper?

1349


What is meant by dc chopper?

1003


what is an excitation table?

1129


What is the main purpose of power electronics?

1018


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

1214


Power mosfet is a voltage controlled device. Why?

1073


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

1267


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

999


What is load commutation?

1011


What is meant by high frequency carrier gating?

1202


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

1090