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Power Electronics

Power Electronics
The latching current of GTO should be of order

 100 mA.
  500 mA.
 2 A.
 1 A.

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Power Electronics
A UJT has ___________.

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

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Power Electronics
The latching current of SCR is 20 mA. Its holding current will be

 40 mA.
 23 mA.
  10 mA.
 60 mA.

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Power Electronics
Which of following devices has highest di/dt and dv/dt capability?

 SIT.
 SCR.
  GTO.
 SITH.

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Power Electronics
If holding current of a thyristor is 2 mA then latching current should be

  0.004 A.
 0.002 A.
 0.01 A.
 0.009 A.

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Power Electronics
The typical value of SCR for modern alternator is

 1.5.
 1.0.
 0.5.
 1.2.

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