Power Electronics A diac has ___________ terminals. Four Three None of these Two Four Three None of these Two 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. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
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 The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant None of these Transistor SCR UJT None of these Transistor SCR UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? COOLMOS. IGBTs. TRIAC. SITS. COOLMOS. IGBTs. TRIAC. SITS. ANSWER DOWNLOAD EXAMIANS APP
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