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Power Electronics

Power Electronics
The latching current of GTO should be of order

  500 mA.
 2 A.
 100 mA.
 1 A.

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

  N1.
 P2.
 P1.
 N2.

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Power Electronics
The triac is ___________.

None of these
Like a bidirectional SCR
Not a thyristor
A four-terminal device

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Power Electronics
The typical time of rising time lies between

 90 - 100 µs.
 10 - 20 µs.
 40 - 60 µs.
  1 - 4 µs.

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Power Electronics
What may happen high dV / dt?

 Unwanted turn ON.
 Anyone of these.
  Both A and B.
 Breakdown of J2 junction.

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Power Electronics
Which of following is normally ON device

 IGBT.
  SIT.
 BJT.
 TRIAC.

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