Power Electronics Thyristor can be protected from over voltages by using snubber circuit. fuse. voltage clamping device. heat sink. snubber circuit. fuse. voltage clamping device. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 80. 60. 70. 90. 80. 60. 70. 90. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Fuse. Inductor. Snubber circuit. Voltage clamping device. Fuse. Inductor. Snubber circuit. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Negative resistance Cut-off None of these Saturation Negative resistance Cut-off 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. Circuit breaker. Equalizing circuit. Snubber circuit. Fuse. Circuit breaker. Equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
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