Power Electronics Gate circuit or triggering circuit of a thyristor is high power circuit. magnetic circuit. may be low power or high power circuit. lower power circuit. high power circuit. magnetic circuit. may be low power or high power circuit. lower power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. of long period. neither (A) nor (B). both (A) and (B). of short duration. of long period. neither (A) nor (B). both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. 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. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. ANSWER DOWNLOAD EXAMIANS APP
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