Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 1500 A. 2121.32 A. 6000 A. 4242.64 A. 1500 A. 2121.32 A. 6000 A. 4242.64 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In inverse-parallel None of these In series In parallel In inverse-parallel None of these In series In parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these 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? 8 KV. 10 KV. 2 KV. 6 KV. 8 KV. 10 KV. 2 KV. 6 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by Kq/T. (K2/q)(T + 1/T - 1). KT/q. qT/K. Kq/T. (K2/q)(T + 1/T - 1). KT/q. qT/K. ANSWER DOWNLOAD EXAMIANS APP
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