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Power Electronics

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

  Aluminium.
 Iron.
 Silver.
 Carbon.

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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.
 RL.
 RLC underdamped.
 RLC overdamped.

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

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

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Power Electronics
Maximum power loss occurs during

 spread time.
 all.
  rise time.
 delay time.

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Power Electronics
Which of following is not a power transistor?

  TRIAC.
 COOLMOS.
 SITS.
 IGBTs.

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Power Electronics
A power MOSFET has three terminals called

 Drain, source and base.
 Collector, emitter and gate.
 Collector, emitter and base.
  Drain, source and gate.

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