Power Electronics The maximum di/dt in a SCR is Directly proportional to supply voltage. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Directly proportional to supply voltage. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional Bidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. ANSWER DOWNLOAD EXAMIANS APP
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