Power Electronics After proper turn on of thyristor gate signal should present but can be removed. None of these gate signal is always present. gate signal must be removed. gate signal should present but can be removed. None of these gate signal is always present. gate signal must be removed. 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 ? CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low Extremely low None of these High Low Extremely low None of these High ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Four Five Two Three Four Five Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Equalizing circuit. Fuse. Circuit breaker. Snubber circuit. Equalizing circuit. Fuse. Circuit breaker. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP