GATE EE 1997 | Power Semiconductor Devices Question 29 | Power Electronics

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GATE EE 1997

MCQ (Single Correct Answer)

-0.3

If a diode is connected in anti - parallel with a thyristor, then

Both turn off power loss and turn off time decreases

Turn-off power loss decreases but turn - off -time increases

Turn-off power loss increases, but turn off time decreases

None of the above

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

Which semiconductor power device out of the following is not a current triggered device?

Thyristor

$$G.T.O$$

Triac

$$MOSFET$$

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

The Triac can be used only in

Inverter

Rectifier

Multiquadrant chopper

Cycloconverter

GATE EE 1996

MCQ (Single Correct Answer)

-0.3

Which of the following does not cause permanent damage of an $$SCR?$$

High current

High rate of rise of current

High temperature rise

High rate of rise of voltage

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Three Phase Circuits Transient Response Graph Theory Two Port Networks Sinusoidal Steady State Analysis Network Elements Network Theorems

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Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous

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