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Power Electronics

Power Electronics
Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be

 120 A.
 100 A.
  150 A.
 110 A.

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Power Electronics
Switching frequency of SITH is

 5 KHz.
  100 KHz.
 10 KHz.
 60 KHz.

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Power Electronics
Maximum power loss occurs during

  rise time.
 all.
 spread time.
 delay time.

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

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

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Power Electronics
A diac has ___________ pn junctions

None of these
Two
Four
Three

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Power Electronics
During reverse recovery time

 charge carrier of junction J2 recombined.
  both B and C.
 charge carrier of junction J3 is swept out.
 charge carrier of junction J1 is swept out.

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