Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 135 μs. 140 μs. 130 μs. 145 μs. 135 μs. 140 μs. 130 μs. 145 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant SCR UJT Transistor None of these SCR UJT Transistor None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 500 mA. 2 A. 1 A. 100 mA. 500 mA. 2 A. 1 A. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 2121.32 A. 1500 A. 6000 A. 4242.64 A. 2121.32 A. 1500 A. 6000 A. 4242.64 A. 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 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of electrons only. either electron or holes. Both electron and holes. holes only. electrons only. either electron or holes. Both electron and holes. holes only. ANSWER DOWNLOAD EXAMIANS APP