Power Electronics A triac is equivalent to two SCRs ___________. In parallel In inverse-parallel In series None of these In parallel In inverse-parallel In series None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Snubber circuit. Fuse. Equalizing circuit. Circuit breaker. Snubber circuit. Fuse. Equalizing circuit. Circuit breaker. 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 0.7. 0.25. 0.2. 0.75. 0.7. 0.25. 0.2. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a UJT, the p-type emitter is ___________ doped None of these Lightly Moderately Heavily None of these Lightly Moderately Heavily ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 50 µs. Recovery is only 5 µs. None of these. Doping is carried out. Recovery is only 50 µs. Recovery is only 5 µs. None of these. Doping is carried out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 100 µs. 300 µs. 150 µs. 200 µs. 100 µs. 300 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
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