Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using equalizing circuit. Using CB and fuse. Using heat sink. Use of snubber circuit. Using equalizing circuit. Using CB and fuse. Using heat sink. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Cut-off Saturation Negative resistance None of these Cut-off Saturation Negative resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with higher gain. Controlled switch. Controlled transistor. Amplifier with large current gain. Amplifier with higher gain. Controlled switch. Controlled transistor. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. None of these Gate voltage Gate current Breakover voltage None of these Gate voltage Gate current Breakover voltage 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 %. 90.9 %. 91.6 %. 76.3 %. 83.3 %. 90.9 %. 91.6 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
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