Power Electronics Thyristor can be protected from over voltages by using heat sink. fuse. snubber circuit. voltage clamping device. heat sink. fuse. snubber circuit. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Decreases Essentially remains the same None of these Increases Decreases Essentially remains the same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.32. 0.67. 0.45. 0.27. 0.32. 0.67. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions One pn junction Three pn junctions None of these Two pn junctions One pn junction Three pn junctions None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 0.5 - 1 V. 1.5 - 2 V. 1 - 1.5 V. 0 - 0.5 V. 0.5 - 1 V. 1.5 - 2 V. 1 - 1.5 V. 0 - 0.5 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Doping is carried out. 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. ANSWER DOWNLOAD EXAMIANS APP
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