Power Electronics Maximum di / dt in a SCR is inversely proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. Am amplifier A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator A rectifier None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? Both C and D. It is related to turn off process of the device. It is related to turn on process of the device. It is related to conduction process of device. Both C and D. It is related to turn off process of the device. It is related to turn on process of the device. It is related to conduction process of device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Amplifier with higher gain. Controlled switch. Controlled transistor. Amplifier with large current gain. Amplifier with higher gain. Controlled switch. Controlled transistor. 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 83.3 %. 76.3 %. 91.6 %. 90.9 %. 83.3 %. 76.3 %. 91.6 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP