Power Electronics What happen due to high di / dt? Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. 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 How can we protect SCR from thermal conditions ? Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in both forward and reverse blocking mode. reverse blocking mode. forward conduction mode. forward blocking mode. both forward and reverse blocking mode. reverse blocking mode. forward conduction mode. forward blocking mode. 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. RL. RLC underdamped. RLC critically damped. RLC overdamped. RL. RLC underdamped. RLC critically damped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
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