POWER ELECTRONICS QUIZ

 5, 7.

 4, 6.

  7, 5.

 6, 4.

  high value.

 moderate value.

 zero value.

 low value.

 Iron.

  Aluminium.

 Carbon.

 Silver.

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

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

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

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

Equal to

None of these

Less than

More than

  Doping is carried out.

 Recovery is only 50 µs.

 Recovery is only 5 µs.

 None of these.

A mechanical

None of these

An c.

A d.c.

 0 - 0.5 V.

  1 - 1.5 V.

 1.5 - 2 V.

 0.5 - 1 V.

 Drain, source and base.

  Drain, source and gate.

 Collector, emitter and gate.

 Collector, emitter and base.

 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.