Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 10 mA. 60 mA. 23 mA. 40 mA. 10 mA. 60 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch Mechanical Unidirectional None of these Bidirectional Mechanical Unidirectional None of these Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 90. 80. 70. 60. 90. 80. 70. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High di/dt. High dv/dt. Low di/dt. Low dv/dt. High di/dt. High dv/dt. Low di/dt. Low dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
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