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Power Electronics

Power Electronics
The latching current of GTO should be of order

  500 mA.
 2 A.
 100 mA.
 1 A.

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

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

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Power Electronics
Dynamic equalising circuit is useful

 to limit di / dt of SCR.
 to limit dV / dt of SCR.
  both B and C.
 for voltage equalisation.

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Power Electronics
Anode current in an SCR consists of

  holes only.
  either electron or holes.
  electrons only.
  Both electron and holes.

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Power Electronics
A diac has ___________ terminals.

Two
Four
Three
None of these

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Power Electronics
The typical value of SCR for modern alternator is

 1.2.
 1.5.
 1.0.
 0.5.

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