Power Electronics The latching current of GTO should be of order 2 A. 1 A. 100 mA. 500 mA. 2 A. 1 A. 100 mA. 500 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased Is increased Remains the same None of these Is decreased Is increased Remains the same None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Inductor. Voltage clamping device. Fuse. Snubber circuit. Inductor. Voltage clamping device. Fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 140 μs. 145 μs. 135 μs. 130 μs. 140 μs. 145 μs. 135 μs. 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 if inductance is removed. Not turn on. Turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Not turn on. Turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. both (A) and (B). of short duration. neither (A) nor (B). of long period. both (A) and (B). of short duration. neither (A) nor (B). ANSWER DOWNLOAD EXAMIANS APP
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