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Power Electronics

Power Electronics
A modern power semiconductor device that combines the characteristic of BJT and MOSFET is

  IGBT.
 GTO.
 MCT.
 FCT.

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Power Electronics
A GTO can be turned on by applying

 None of these.
 Positive source signal.
  Positive gate signal.
 Positive drain signal.

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Power Electronics
A diac is simply ___________.

A triac without gate terminal
A single junction device
None of these
A three junction device

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

 BJT.
 Microwave transistor.
  Power MOSFET.
 Schottky diode.

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

 110 A.
 100 A.
 120 A.
  150 A.

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Power Electronics
In a P1N1P2N2 thyristor which layer is less doped ?

  N1.
 N2.
 P2.
 P1.

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