Power Electronics
Which statement is true for latching current ?

 It is related to turn off process of the device.
 It is related to conduction process of device.
 Both C and D.
  It is related to turn on process of the device.

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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.
 both A and C.
 inversely proportional to L in the circuit.

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