Power Electronics A triac is a ___________ switch None of these Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Equalizing circuit. Fuse. Circuit breaker. Snubber circuit. Equalizing circuit. Fuse. Circuit breaker. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the charging current. To minimize the loss . To minimize the discharging current. All of these. To minimize the charging current. To minimize the loss . To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive drain signal. Positive source signal. Positive gate signal. None of these. Positive drain signal. Positive source signal. Positive gate signal. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
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