Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.27. 0.32. 0.67. 0.45. 0.27. 0.32. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Inversely proportional to supply voltage. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Inversely proportional to supply voltage. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of 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. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. None of these In series In inverse-parallel In parallel None of these In series In inverse-parallel In parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled transistor. Amplifier with higher gain. Controlled switch. Amplifier with large current gain. Controlled transistor. Amplifier with higher gain. Controlled switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by Kq/T. (K2/q)(T + 1/T - 1). qT/K. KT/q. Kq/T. (K2/q)(T + 1/T - 1). qT/K. KT/q. ANSWER DOWNLOAD EXAMIANS APP
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