Power Electronics A diac is turned on by ___________. Gate current None of these A breakover voltage Gate voltage Gate current None of these A breakover voltage Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor Like a bidirectional SCR None of these A four-terminal device Not a thyristor Like a bidirectional SCR None of these A four-terminal device 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 ? 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In series None of these In inverse-parallel In parallel In series None of these In inverse-parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is both (A) and (B). < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. less than holding current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carrier of J1 junction removed. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP
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