Power Electronics The device that exhibits negative resistance region is ___________. Transistor Triac Diac UJT Transistor Triac Diac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. None of these Two Four Three None of these Two Four Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to turn off process of the device. Both C and D. It is related to turn on process of the device. It is related to conduction process of device. It is related to turn off process of the device. Both C and D. It is related to turn on process of the device. It is related to conduction process of device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 91.6 %. 76.3 %. 83.3 %. 90.9 %. 91.6 %. 76.3 %. 83.3 %. 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 if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.009 A. 0.002 A. 0.01 A. 0.004 A. 0.009 A. 0.002 A. 0.01 A. 0.004 A. ANSWER DOWNLOAD EXAMIANS APP
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