Power Electronics The latching current of GTO should be of order 2 A. 1 A. 500 mA. 100 mA. 2 A. 1 A. 500 mA. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. UJT Transistor Triac Diac UJT Transistor Triac Diac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. 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 pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. fuse. ANSWER DOWNLOAD EXAMIANS APP
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