Power Electronics A triac can pass a portion of ___________ half-cycle through the load. None of these Both positive and negative Only negative Only positive None of these Both positive and negative Only negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is 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. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Power MOSFET. Microwave transistor. Schottky diode. BJT. Power MOSFET. Microwave transistor. Schottky diode. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage None of these Gate current Gate voltage A breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Diac UJT Triac Transistor Diac UJT Triac Transistor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS