Power Electronics Thyristor is nothing but a Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Inversely proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Inversely proportional to supply voltage. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Equal to Less than More than None of these Equal to Less than More than None of these 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. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 91.6 %. 83.3 %. 76.3 %. 90.9 %. 91.6 %. 83.3 %. 76.3 %. 90.9 %. 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
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