Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative None of these Only positive Both positive and negative Only negative None of these Only positive Both positive and negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 110 A. 100 A. 150 A. 120 A. 110 A. 100 A. 150 A. 120 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device fast acting fuse. metal oxide varistor. aluminium block. snubber circuit. fast acting fuse. metal oxide varistor. aluminium block. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to supply voltage. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Directly proportional to supply voltage. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate current Breakover voltage None of these Gate voltage Gate current Breakover voltage None of these Gate voltage ANSWER DOWNLOAD EXAMIANS APP