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. RL. RLC overdamped. RLC critically damped. RLC underdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Same for every case. Delay time. Spread time. Rise time. Same for every case. Delay time. Spread time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Triac UJT Transistor Diac Triac UJT Transistor Diac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 100 KHz. 10 KHz. 5 KHz. 60 KHz. 100 KHz. 10 KHz. 5 KHz. 60 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 100 µs. 200 µs. 150 µs. 300 µs. 100 µs. 200 µs. 150 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
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