Power Electronics
Gate circuit or triggering circuit of a thyristor is

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

ANSWER DOWNLOAD EXAMIANS APP

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.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
During gate recovery time

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

ANSWER DOWNLOAD EXAMIANS APP