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. 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A rectifier None of these Am amplifier A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. None of these In parallel In series In inverse-parallel None of these In parallel In series In inverse-parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is both A and C. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. both A and C. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS