Power Electronics A triac is a ___________ switch Unidirectional Bidirectional Mechanical None of these Unidirectional Bidirectional Mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using equalizing circuit. Using heat sink. Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. Using CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during all. rise time. spread time. delay time. all. rise time. spread time. delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. Reliability factor. Derating factor. String efficient. Factor of safety. Reliability factor. Derating factor. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
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