Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). both (A) and (B). of short duration. of long period. neither (A) nor (B). both (A) and (B). of short duration. of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? Both C and D. It is related to conduction process of device. It is related to turn off process of the device. It is related to turn on process of the device. Both C and D. It is related to conduction process of device. It is related to turn off process of the device. It is related to turn on process of the device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 6 KV. 10 KV. 2 KV. 8 KV. 6 KV. 10 KV. 2 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant None of these Transistor SCR UJT None of these Transistor SCR UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate voltage A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low current demand. high voltage demand. high current demand. low voltage demand. low current demand. high voltage demand. high current demand. low voltage demand. ANSWER DOWNLOAD EXAMIANS APP
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