Power Electronics A diac is turned on by ___________. Gate voltage Gate current None of these A breakover voltage Gate voltage Gate current None of these A breakover voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is high. moderate. low. infinity. high. moderate. low. infinity. 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? 10 KV. 2 KV. 6 KV. 8 KV. 10 KV. 2 KV. 6 KV. 8 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these Low High Extremely low None of these Low High Extremely low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. ANSWER DOWNLOAD EXAMIANS APP