Power Electronics A triac is equivalent to two SCRs ___________. In series None of these In parallel In inverse-parallel In series None of these In parallel In inverse-parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. A four-terminal device None of these Like a bidirectional SCR Not a thyristor A four-terminal device None of these Like a bidirectional SCR Not a thyristor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. Low di/dt. High di/dt. High dv/dt. Low dv/dt. Low di/dt. High di/dt. High dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.2. 0.25. 0.7. 0.75. 0.2. 0.25. 0.7. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 800 V/µs. 600 V/µs. 1200 V/µs. 1000 V/µs. 800 V/µs. 600 V/µs. 1200 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
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