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Power Electronics

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

Triac
SCR
Diac
FET

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

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

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Power Electronics
Which of following is normally ON device

 IGBT.
  SIT.
 TRIAC.
 BJT.

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Power Electronics
The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant

Transistor
None of these
UJT
SCR

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Power Electronics
Thyristor can be protected from over voltages by using

 snubber circuit.
 fuse.
 heat sink.
  voltage clamping device.

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Power Electronics
Thermal voltage VT can be given by

 KT/q.
  Kq/T.
 qT/K.
 (K2/q)(T + 1/T - 1).

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