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Power Electronics

Power Electronics
Under over voltage condition impedance offered by the voltage clamping device is

 infinity.
 high.
  low.
 moderate.

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Power Electronics
Switching frequency of SITH is

 60 KHz.
 10 KHz.
  100 KHz.
 5 KHz.

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Power Electronics
A single phase full bridge inverter can operated in load commutation mode in case load consist of

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

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

 500 VA.
  2 KVA.
 100 KVA.
 1 KVA.

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

Transistor
Diac
UJT
Triac

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Power Electronics
Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability

 TRIACs.
  Thyristor.
 Semi conductor diodes.
 MOSFETs.

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