Power Electronics During reverse recovery time charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. decrease di / dt. increase dV / dt. suppress dV / dt. decrease dV / dt. decrease di / dt. increase dV / dt. suppress dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Snubber circuit. Inductor. Fuse. Voltage clamping device. Snubber circuit. Inductor. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate current None of these Breakover voltage Gate voltage Gate current None of these Breakover voltage Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J3 is in forward bias and J1, J2 in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse 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 J2 is in reverse bias and J1, J3 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS