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Power Electronics

Power Electronics
A thyristor can termed as

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

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Power Electronics
A diac has ___________ pn junctions

None of these
Two
Three
Four

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Power Electronics
During which time maximum conduction spreading take place in the thyristor during turn ON?

  Spread time.
 Delay time.
 Same for every case.
 Rise time.

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Power Electronics
Switching frequency of SITH is

  100 KHz.
 60 KHz.
 10 KHz.
 5 KHz.

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Power Electronics
The latching current of GTO should be of order

 100 mA.
 1 A.
 2 A.
  500 mA.

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Power Electronics
A power semiconductor may undergo damage due to

 Low di/dt.
  High di/dt.
 High dv/dt.
 Low dv/dt.

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