Power Electronics A UJT has ___________. Three pn junctions None of these Two pn junctions One pn junction Three pn junctions None of these Two pn junctions One pn junction ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. snubber circuit. fuse. voltage clamping device. heat sink. snubber circuit. fuse. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to suppress dV / dt. decrease di / dt. decrease dV / dt. increase dV / dt. suppress dV / dt. decrease di / dt. decrease dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is low. high. infinity. moderate. low. high. infinity. moderate. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. Factor of safety. Reliability factor. String efficient. Derating factor. Factor of safety. Reliability factor. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in forward blocking mode. reverse blocking mode. forward conduction mode. both forward and reverse blocking mode. forward blocking mode. reverse blocking mode. forward conduction mode. both forward and reverse blocking mode. ANSWER DOWNLOAD EXAMIANS APP
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