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Power Electronics

Power Electronics
COOLMOS device can be used in application up to power range of

 100 KVA.
 500 VA.
  2 KVA.
 1 KVA.

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Power Electronics
A power MOSFET has three terminals called

 Collector, emitter and base.
 Collector, emitter and gate.
 Drain, source and base.
  Drain, source and gate.

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Power Electronics
Which of the following is used in SCR to protect from high dV / dt?

 Equalizing circuit.
 Circuit breaker.
  Snubber circuit.
 Fuse.

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Power Electronics
The latching current of GTO should be of order

 100 mA.
 1 A.
  500 mA.
 2 A.

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Power Electronics
A diac has ___________ pn junctions

Two
Four
None of these
Three

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Power Electronics
A triac is a ___________ switch

Bidirectional
None of these
Unidirectional
Mechanical

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