Power Electronics Thyristor can be protected from over voltages by using heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. 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. 0.2. 0.25. 0.75. 0.7. 0.2. 0.25. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate voltage Breakover voltage Gate current None of these Gate voltage Breakover voltage Gate current None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions None of these Three pn junctions One pn junction Two pn junctions None of these Three pn junctions One pn junction ANSWER DOWNLOAD EXAMIANS APP
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