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 Leakage current flows through the thyristor in reverse blocking mode. forward blocking mode. forward conduction mode. both forward and reverse blocking mode. reverse blocking mode. forward blocking mode. forward conduction mode. both forward and reverse blocking mode. 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 C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Silver. Carbon. Aluminium. Iron. Silver. Carbon. Aluminium. Iron. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device BJT. IGBT. SIT. TRIAC. BJT. IGBT. SIT. TRIAC. 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 145 μs. 140 μs. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. ANSWER DOWNLOAD EXAMIANS APP