Power Electronics A diac has ___________ pn junctions Three Two None of these Four Three Two None of these Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Spread time. Same for every case. Delay time. Rise time. Spread time. Same for every case. Delay time. 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 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Drain, source and gate. Collector, emitter and gate. Collector, emitter and base. Drain, source and base. Drain, source and gate. Collector, emitter and gate. Collector, emitter and base. Drain, source and base. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. None of these Negative resistance Cut-off Saturation None of these Negative resistance Cut-off Saturation ANSWER DOWNLOAD EXAMIANS APP
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