Power Electronics
What may happen high dV / dt?

 Unwanted turn ON.
 Anyone of these.
  Both A and B.
 Breakdown of J2 junction.

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Power Electronics
Maximum di / dt in a SCR is

 both A and C.
  directly proportional to Vm of supply voltage.
 inversely proportional to Vm of supply voltage.
 inversely proportional to L in the circuit.

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Power Electronics
During gate recovery time

 charge carriers of J3 junction is removed.
  charge carriers of J2 junction recombined.
 charge carrier of J1 junction removed.
 charge carriers of J2 junction is swept out.

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