Power Electronics Thermal voltage VT can be given by (K2/q)(T + 1/T - 1). qT/K. KT/q. Kq/T. (K2/q)(T + 1/T - 1). qT/K. KT/q. Kq/T. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. None of these One pn junction Two pn junctions Three pn junctions None of these One pn junction Two pn junctions Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. ANSWER DOWNLOAD EXAMIANS APP
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