Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Four Two Five Three Four Two Five Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Collector, emitter and gate. Drain, source and gate. Collector, emitter and base. Drain, source and base. Collector, emitter and gate. Drain, source and gate. Collector, emitter and base. Drain, source and base. 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 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP