Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.004 A. 0.01 A. 0.002 A. 0.009 A. 0.004 A. 0.01 A. 0.002 A. 0.009 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Square wave switch. DC switch. Both a and B. AC switch. Square wave switch. DC switch. Both a and B. AC switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A d.c. A mechanical An c. None of these A d.c. A mechanical An c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
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