Power Electronics Which triggering is the most reliable? Thermal triggering. dV / dt triggering. Gate triggering. Forward voltage triggering. Thermal triggering. dV / dt triggering. Gate triggering. Forward voltage triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low voltage demand. high current demand. high voltage demand. low current demand. low voltage demand. high current demand. high voltage demand. low current demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Fuse. Equalizing circuit. Snubber circuit. Circuit breaker. Fuse. Equalizing circuit. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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