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Power Electronics

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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Power Electronics
A single phase full bridge inverter can operate in load commutation mode in case load consists of

 RLC critically damped.
  RLC underdamped.
 RL.
 RLC overdamped.

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Power Electronics
The device that exhibits negative resistance region is ___________.

Transistor
Triac
UJT
Diac

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Power Electronics
Switching frequency of SITH is

 10 KHz.
 60 KHz.
 5 KHz.
  100 KHz.

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Power Electronics
IGBT combines the advantages of

 None of these.
 SITs and MOSFETs.
 BJTs and SITs.
  BJTs and MOSFETs.

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Power Electronics
Which of following is normally ON device

 BJT.
 IGBT.
 TRIAC.
  SIT.

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