Power Electronics Leakage current flows through the thyristor in both forward and reverse blocking mode. reverse blocking mode. forward blocking mode. forward conduction mode. both forward and reverse blocking mode. reverse blocking mode. forward blocking mode. forward conduction mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. None of these. Doping is carried out. Recovery is only 50 µs. Recovery is only 5 µs. None of these. Doping is carried out. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Both A and B. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Directly proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Directly proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. One pn junction Three pn junctions None of these Two pn junctions One pn junction Three pn junctions None of these Two pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when 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. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in anti parallel connection. series connection. both B and C. parallel connection. anti parallel connection. series connection. both B and C. parallel connection. ANSWER DOWNLOAD EXAMIANS APP
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