Power Electronics
The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will

 Not turn on.
 Turn on if inductance is removed.
  Turn on.
 Turn on if pulse frequency us increased to two times.

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Power Electronics
Dynamic equalizing circuit is used for

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

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