Power Electronics A power MOSFET has three terminals called Drain, source and base. Collector, emitter and base. Drain, source and gate. Collector, emitter and gate. Drain, source and base. Collector, emitter and base. Drain, source and gate. Collector, emitter and gate. 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. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Insulation failure. None of these. Local hot spot. Breakdown of junction. Insulation failure. None of these. Local hot spot. Breakdown of junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by (K2/q)(T + 1/T - 1). qT/K. Kq/T. KT/q. (K2/q)(T + 1/T - 1). qT/K. Kq/T. KT/q. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? BJT. Schottky diode. Power MOSFET. Microwave transistor. BJT. Schottky diode. Power MOSFET. Microwave transistor. ANSWER DOWNLOAD EXAMIANS APP
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