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Power Electronics

Power Electronics
The device that does not have the gate terminal is ___________.

SCR
Diac
FET
Triac

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Power Electronics
Typical range of thyristor turn OFF time is

 3 - 50 µs.
 3 - 500 µs.
  3 - 100 µs.
 3 - 10 µs.

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Power Electronics
Switching frequency of SITH is

  100 KHz.
 10 KHz.
 60 KHz.
 5 KHz.

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Power Electronics
SCRs are used in series to meet

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

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Power Electronics
Leakage current flows through the thyristor in

  both forward and reverse blocking mode.
 reverse blocking mode.
 forward conduction mode.
 forward blocking mode.

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

 Silver.
 Iron.
  Aluminium.
 Carbon.

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