Power Electronics What may happen high dV / dt? Both A and B. Anyone of these. Breakdown of J2 junction. Unwanted turn ON. Both A and B. Anyone of these. Breakdown of J2 junction. Unwanted turn ON. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. 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 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. Turn on if inductance is removed. Turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation None of these Cut-off Negative resistance Saturation None of these Cut-off Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. both B and C. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. both B and C. ANSWER DOWNLOAD EXAMIANS APP