Power Electronics A triac is equivalent to two SCRs ___________. In parallel None of these In inverse-parallel In series In parallel None of these In inverse-parallel In series 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 4242.64 A. 6000 A. 1500 A. 2121.32 A. 4242.64 A. 6000 A. 1500 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Power MOSFET. BJT. Schottky diode. Microwave transistor. Power MOSFET. BJT. Schottky diode. Microwave transistor. 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 ? CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.1 µs 3.2 µs 3 µs. 3.3 µs 3.1 µs 3.2 µs 3 µs. 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for High power phase control. Low power phase control. High power current control. Low power current control. High power phase control. Low power phase control. High power current control. Low power current control. ANSWER DOWNLOAD EXAMIANS APP