Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 20 kHz Frequencies less than 10 Hz Frequencies above 1000 kHz 50 Hz frequency Frequencies above 20 kHz Frequencies less than 10 Hz Frequencies above 1000 kHz 50 Hz frequency ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 400 A. 600 A. 20 A. 200 A. 400 A. 600 A. 20 A. 200 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device snubber circuit. fast acting fuse. aluminium block. metal oxide varistor. snubber circuit. fast acting fuse. aluminium block. metal oxide varistor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 108 ohm 11.19 ohm 111.9 ohm 115 ohm 108 ohm 11.19 ohm 111.9 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Three pn junctions One pn junction Two pn junctions None of these Three pn junctions One pn junction Two pn junctions None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. CB and fuse. Snubber circuit. Voltage clamping device. Heat sink. CB and fuse. Snubber circuit. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS