Power Electronics After peak point, the UJT operates in the ___________ region. Saturation None of these Negative resistance Cut-off Saturation None of these Negative resistance Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). neither (A) nor (B). of short duration. of long period. both (A) and (B). neither (A) nor (B). of short duration. of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. None of these Two Four Three None of these Two Four Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Remains the same Is decreased Is increased None of these Remains the same Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC overdamped. RLC underdamped. RLC critically damped. RL. RLC overdamped. RLC underdamped. RLC critically damped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS