Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. of long period. both (A) and (B). neither (A) nor (B). of short duration. of long period. both (A) and (B). neither (A) nor (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Two Three Five Four Two Three Five Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.75. 0.2. 0.25. 0.7. 0.75. 0.2. 0.25. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet high voltage demand. high current demand. low current demand. low voltage demand. high voltage demand. high current demand. low current demand. low voltage demand. ANSWER DOWNLOAD EXAMIANS APP