Power Electronics Which semiconductor device acts like a diode and two transistor? UJT. SCR. Triac. Diac. UJT. SCR. Triac. Diac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? String efficient. Reliability factor. Factor of safety. Derating factor. String efficient. Reliability factor. Factor of safety. Derating factor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to supply voltage. Both A and B. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Both A and B. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. 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 A power semiconductor may undergo damage due to Low di/dt. High di/dt. Low dv/dt. High dv/dt. Low di/dt. High di/dt. Low dv/dt. High dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Snubber circuit. Inductor. Voltage clamping device. Fuse. Snubber circuit. Inductor. Voltage clamping device. Fuse. ANSWER DOWNLOAD EXAMIANS APP
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