Power Electronics The latching current of SCR is 20 mA. Its holding current will be 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 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
Power Electronics The device that exhibits negative resistance region is ___________. Triac Diac UJT Transistor Triac Diac UJT Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. High di/dt. Low di/dt. High dv/dt. Low dv/dt. High di/dt. Low di/dt. High dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A mechanical A d.c. An c. None of these A mechanical A d.c. An c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance ANSWER DOWNLOAD EXAMIANS APP