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Power Electronics

Power Electronics
Which of following is not a power transistor?

  TRIAC.
 IGBTs.
 SITS.
 COOLMOS.

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Power Electronics
A UJT is sometimes called ___________ diode.

High resistance
Double-base
Low resistance
Single-base

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Power Electronics
Which triggering is the most reliable?

  Thermal triggering.
  Forward voltage triggering.
  dV / dt triggering.
  Gate triggering.

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

 Silver.
 Iron.
 Carbon.
  Aluminium.

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Power Electronics
The typical value of SCR for modern alternator is

 1.0.
 1.2.
 1.5.
 0.5.

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Power Electronics
Which one is most suitable power device for high frequency (>100 KHz) switching application?

 BJT.
 Schottky diode.
  Power MOSFET.
 Microwave transistor.

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