Power Electronics A diac is turned on by ___________. None of these Gate voltage A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which following is a two terminal three layer device? None of above. BJT. MOSFET. Power dioed. None of above. BJT. MOSFET. Power dioed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. snubber circuit. voltage clamping device. heat sink. fuse. snubber circuit. voltage clamping device. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 7, 5. 5, 7. 4, 6. 6, 4. 7, 5. 5, 7. 4, 6. 6, 4. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Four None of these Two Three Four None of these Two Three 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 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. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
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