Power Electronics Typical range of thyristor turn OFF time is 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. 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 ? Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Two Five Three Four Two Five Three Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. both (A) and (B). neither (A) nor (B). of long period. of short duration. both (A) and (B). neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Square wave switch. AC switch. DC switch. Both a and B. Square wave switch. AC switch. DC switch. Both a and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Low resistance Single-base Double-base High resistance Low resistance Single-base Double-base High resistance ANSWER DOWNLOAD EXAMIANS APP
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