Power Electronics
Gate circuit or triggering circuit of a thyristor is

  lower power circuit.
 magnetic circuit.
 high power circuit.
 may be low power or high power circuit.

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Power Electronics
In reverse blocking mode of a thyristor

 junction J3 is in forward bias and J1, J2 in reverse bias.
 junction J1 and J2 is in forward bias and J3 is in reverse bias.
 junction J2 is in reverse bias and J1, J3 is in forward bias.
  junction J1, J3 is in reverse bias and J2 is in forward bias.

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Power Electronics
Dynamic equalizing circuit is used for

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

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