Power Electronics What is used to protect the SCR from over current ? Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate current None of these Gate voltage A breakover voltage Gate current None of these Gate voltage A 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 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance Saturation None of these Cut-off Negative resistance Saturation None of these Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low current demand. high current demand. high voltage demand. low voltage demand. low current demand. high current demand. high voltage demand. low voltage demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in series. either series or parallel. anti parallel. in parallel. in series. either series or parallel. anti parallel. in parallel. ANSWER DOWNLOAD EXAMIANS APP
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