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Power Electronics

Power Electronics
The latching current of GTO should be of order

 2 A.
  500 mA.
 100 mA.
 1 A.

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Power Electronics
In a UJT, the p-type emitter is ___________ doped

Lightly
None of these
Moderately
Heavily

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Power Electronics
A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is

  37.14.
 3.714.
 65.
 60.

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Power Electronics
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region

Cut-off
Negative resistance
None of these
Saturation

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Power Electronics
A diac has ___________ terminals.

Three
Four
Two
None of these

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Power Electronics
A thyristor can termed as

  DC switch.
 Both a and B.
 Square wave switch.
 AC switch.

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