Power Electronics Anode current in an SCR consists of either electron or holes. holes only. electrons only. Both electron and holes. either electron or holes. holes only. electrons only. Both electron and holes. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Five Two Four Three Five Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance None of these Saturation Cut-off Negative resistance None of these Saturation Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 10 µs. 3 - 50 µs. 3 - 500 µs. 3 - 100 µs. 3 - 10 µs. 3 - 50 µs. 3 - 500 µs. 3 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
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