Power Electronics
When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ?

 Snubber circuit.
  Fast acting current limiting device (FACL fuse).
 Voltage clamping device.
 CB.

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Power Electronics
Dynamic equalizing circuit is used for

 equal division of voltage across each thyristor in parallel.
  equal division of voltage across each thyristor.
 equal division of current through each thyristor in series.
 equal division of current through each thyristor in parallel.

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