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Power Electronics

Power Electronics
Which of following devices has highest di/dt and dv/dt capability?

  GTO.
 SCR.
 SIT.
 SITH.

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

 1 KVA.
 100 KVA.
  2 KVA.
 500 VA.

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Power Electronics
In a UJT, the p-type emitter is ___________ doped

Lightly
Heavily
None of these
Moderately

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Power Electronics
A diac is turned on by ___________.

A breakover voltage
Gate current
Gate voltage
None of these

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Power Electronics
SCRs are used in series to meet

 low voltage demand.
 low current demand.
 high current demand.
  high voltage demand.

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Power Electronics
Which following is a two terminal three layer device?

 None of above.
 MOSFET.
  Power dioed.
 BJT.

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