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
Power Electronics A diac has ___________ pn junctions None of these Three Two Four None of these Three Two Four 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 The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant None of these UJT Transistor SCR None of these UJT Transistor SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 20 A. 600 A. 200 A. 400 A. 20 A. 600 A. 200 A. 400 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS