Power Electronics Gate circuit or triggering circuit of a thyristor is lower power circuit. magnetic circuit. may be low power or high power circuit. high power circuit. lower power circuit. magnetic circuit. may be low power or high power circuit. high power circuit. 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 50 Hz frequency Frequencies above 1000 kHz Frequencies less than 10 Hz Frequencies above 20 kHz 50 Hz frequency Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 100 µs. 150 µs. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC overdamped. RLC critically damped. RL. RLC underdamped. RLC overdamped. RLC critically damped. RL. RLC underdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate Drain, source, gate None of these Two main terminal and a gate terminal Cathode, anode, gate Drain, source, gate None of these Two main terminal and a gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.75. 0.25. 0.2. 0.7. 0.75. 0.25. 0.2. 0.7. ANSWER DOWNLOAD EXAMIANS APP
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