Power Electronics Maximum di / dt in a SCR is inversely proportional to L in the circuit. both A and C. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. 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 Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in forward conduction mode. reverse blocking mode. both forward and reverse blocking mode. forward blocking mode. forward conduction mode. reverse blocking mode. both forward and reverse blocking mode. forward blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a UJT, the p-type emitter is ___________ doped Lightly None of these Moderately Heavily Lightly None of these Moderately Heavily ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SIT. SCR. GTO. SITH. SIT. SCR. GTO. SITH. ANSWER DOWNLOAD EXAMIANS APP
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