Power Electronics
A single phase full bridge inverter can operate in load commutation mode in case load consists of

 RLC critically damped.
  RLC underdamped.
 RL.
 RLC overdamped.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
In reverse blocking mode of a thyristor

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

ANSWER DOWNLOAD EXAMIANS APP