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 ? Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.004 A. 0.009 A. 0.01 A. 0.002 A. 0.004 A. 0.009 A. 0.01 A. 0.002 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in series connection. anti parallel connection. parallel connection. both B and C. series connection. anti parallel connection. parallel connection. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device A triac without gate terminal None of these A three junction device A single junction device A triac without gate terminal None of these A three junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. String efficient. Factor of safety. Reliability factor. Derating factor. String efficient. Factor of safety. Reliability factor. ANSWER DOWNLOAD EXAMIANS APP
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