Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.3 µs 3.1 µs 3 µs. 3.2 µs 3.3 µs 3.1 µs 3 µs. 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). of short duration. both (A) and (B). of long period. neither (A) nor (B). of short duration. both (A) and (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Drain, source and base. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Decreases Remains the same None of these Increases Decreases Remains the same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 135 μs. 140 μs. 130 μs. 145 μs. 135 μs. 140 μs. 130 μs. 145 μs. ANSWER DOWNLOAD EXAMIANS APP
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