Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 4242.64 A. 6000 A. 2121.32 A. 1500 A. 4242.64 A. 6000 A. 2121.32 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 10 KV. 8 KV. 2 KV. 6 KV. 10 KV. 8 KV. 2 KV. 6 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device SIT. TRIAC. IGBT. BJT. SIT. TRIAC. IGBT. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. ANSWER DOWNLOAD EXAMIANS APP
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