Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. high. infinity. low. moderate. high. infinity. low. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch Mechanical None of these Unidirectional Bidirectional Mechanical None of these Unidirectional Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High di/dt. Low di/dt. High dv/dt. Low dv/dt. High di/dt. Low di/dt. High dv/dt. Low dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In series In inverse-parallel None of these In parallel In series In inverse-parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Spread time. Rise time. Delay time. Same for every case. Spread time. Rise time. Delay time. Same for every case. ANSWER DOWNLOAD EXAMIANS APP
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