Power Electronics
A single phase full bridge inverter can operated in load commutation mode in case load consist of

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

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Power Electronics
SCR will be turned off when anode current is

  < latching current but greater than holding current and gate signal is 0.
 less than holding current.
  both (A) and (B).
 < latching current but greater than holding current and gate signal is present.

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