Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz 50 Hz frequency 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 ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Both A and B. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Inversely proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Inversely proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics COOLMOS device can be used in application up to power range of 500 VA. 100 KVA. 1 KVA. 2 KVA. 500 VA. 100 KVA. 1 KVA. 2 KVA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Four Two Five Three Four Two Five 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 if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. 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