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Power Electronics

Power Electronics
To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.

Equal to
None of these
Less than
More than

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Power Electronics
A diac has ___________ semiconductor layers

Four
Two
None of these
Three

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Power Electronics
A GTO can be turned on by applying

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

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Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.

Essentially remains the same
Increases
None of these
Decreases

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Power Electronics
When the temperature increases, the inter-base resistance (RBB) of a UJT ___________.

Remains the same
Decreases
None of these
Increases

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

  N1.
 P2.
 N2.
 P1.

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