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Power Electronics

Power Electronics
If the anode current is 800 A, then the amount of current required to turn off the GTO is about

 20 A.
  200 A.
 600 A.
 400 A.

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Power Electronics
How can we protect SCR from thermal conditions ?

 Using equalizing circuit.
 Use of snubber circuit.
  Using heat sink.
 Using CB and fuse.

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Power Electronics
The normal way to turn on a diac is by ___________.

Breakover voltage
Gate current
Gate voltage
None of these

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

 40 mA.
 60 mA.
  10 mA.
 23 mA.

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Power Electronics
Which triggering is the most reliable?

  dV / dt triggering.
  Thermal triggering.
  Forward voltage triggering.
  Gate triggering.

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Power Electronics
Light triggering mainly used in

  all of these.
 low - voltage direct current transmission.
  high voltage direct current transmission.
 medium voltage direct current transmission.

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