Power Electronics
During which time maximum conduction spreading take place in the thyristor during turn ON?

 Delay time.
 Rise time.
  Spread time.
 Same for every case.

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Power Electronics
Maximum di / dt in a SCR is

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

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