Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Negative resistance Peak-point voltage Intrinsic stand off ratio Bilateral conduction Negative resistance Peak-point voltage Intrinsic stand off ratio ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. either series or parallel. in series. in parallel. anti parallel. either series or parallel. in series. in parallel. 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. both B and C. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. both B and C. charge carrier of junction J2 recombined. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Snubber circuit. Inductor. Fuse. Voltage clamping device. Snubber circuit. Inductor. Fuse. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.75. 0.7. 0.25. 0.2. 0.75. 0.7. 0.25. 0.2. ANSWER DOWNLOAD EXAMIANS APP
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