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 The triac is ___________. None of these Not a thyristor Like a bidirectional SCR A four-terminal device None of these Not a thyristor Like a bidirectional SCR A four-terminal device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 100 µs. 3 - 50 µs. 3 - 10 µs. 3 - 500 µs. 3 - 100 µs. 3 - 50 µs. 3 - 10 µs. 3 - 500 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 10 KHz. 60 KHz. 5 KHz. 100 KHz. 10 KHz. 60 KHz. 5 KHz. 100 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Increases Decreases None of these Remains the same Increases Decreases None of these Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time 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. charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. ANSWER DOWNLOAD EXAMIANS APP