Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC underdamped. RLC overdamped. RLC critically damped. RL. RLC underdamped. RLC overdamped. RLC critically damped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? None of these. Local hot spot. Insulation failure. Breakdown of junction. None of these. Local hot spot. Insulation failure. Breakdown of junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in both forward and reverse blocking mode. forward conduction mode. forward blocking mode. reverse blocking mode. both forward and reverse blocking mode. forward conduction mode. forward blocking mode. reverse blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor Like a bidirectional SCR None of these A four-terminal device Not a thyristor Like a bidirectional SCR None of these A four-terminal device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
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