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Power Electronics

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

  N1.
 P1.
 N2.
 P2.

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Power Electronics
Which of the following is used in SCR to protect from high dV / dt?

 Circuit breaker.
 Equalizing circuit.
 Fuse.
  Snubber circuit.

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Power Electronics
Thyristor is nothing but a

 Controlled transistor.
  Controlled switch.
 Amplifier with large current gain.
 Amplifier with higher gain.

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Power Electronics
Example of a voltage clamping device

 fast acting fuse.
 aluminium block.
  metal oxide varistor.
 snubber circuit.

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Power Electronics
The latching current of GTO should be of order

 2 A.
 100 mA.
 1 A.
  500 mA.

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Power Electronics
The device that does not have the gate terminal is ___________.

Triac
SCR
Diac
FET

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