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Power Electronics

Power Electronics
Switching frequency of SITH is

 60 KHz.
 10 KHz.
  100 KHz.
 5 KHz.

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Power Electronics
ON state voltage drop across SCR lie between the range

 0.5 - 1 V.
  1 - 1.5 V.
 0 - 0.5 V.
 1.5 - 2 V.

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Power Electronics
Which of following is normally ON device

 BJT.
 TRIAC.
 IGBT.
  SIT.

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Power Electronics
Which of the following is used in heat sink?

 Iron.
 Silver.
  Aluminium.
 Carbon.

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Power Electronics
A diac has ___________ terminals.

Two
None of these
Four
Three

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Power Electronics
BCT is used for

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

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