Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Remains the same Is decreased Is increased None of these Remains the same Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Aluminium. Carbon. Silver. Iron. Aluminium. Carbon. Silver. Iron. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Four None of these Three Two Four None of these Three Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
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