Power Electronics A triac is a ___________ switch Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional Bidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. less than holding current. both (A) and (B). 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 ? 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. ANSWER DOWNLOAD EXAMIANS APP
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