Power Electronics A diac is turned on by ___________. A breakover voltage None of these Gate current Gate voltage A breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. One pn junction Two pn junctions None of these Three pn junctions One pn junction Two pn junctions None of these Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz 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 0.32. 0.45. 0.27. 0.67. 0.32. 0.45. 0.27. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Collector, emitter and gate. Collector, emitter and base. Drain, source and gate. Drain, source and base. Collector, emitter and gate. Collector, emitter and base. Drain, source and gate. Drain, source and base. ANSWER DOWNLOAD EXAMIANS APP
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