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Power Electronics

Power Electronics
The typical value of SCR for modern alternator is

 1.5.
 1.0.
 0.5.
 1.2.

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Power Electronics
A UJT has ___________.

One pn junction
None of these
Two pn junctions
Three pn junctions

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Power Electronics
Light triggering mainly used in

  all of these.
 low - voltage direct current transmission.
 medium voltage direct current transmission.
  high voltage direct current transmission.

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

 500 VA.
 100 KVA.
 1 KVA.
  2 KVA.

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Power Electronics
BCT is used for

  High power phase control.
 High power current control.
 Low power phase control.
 Low power current control.

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

 Fuse.
 Equalizing circuit.
 Circuit breaker.
  Snubber circuit.

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