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Power Electronics

Power Electronics
A UJT has ___________.

One pn junction
None of these
Three pn junctions
Two pn junctions

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Power Electronics
Maximum power loss occurs during

 delay time.
 all.
 spread time.
  rise time.

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

Diac
SCR
FET
Triac

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Power Electronics
A diac has ___________ pn junctions

Two
Three
Four
None of these

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Power Electronics
Example of a voltage clamping device

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

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Power Electronics
Thyristor is nothing but a

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

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