Power Electronics Which semiconductor device acts like a diode and two transistor? Diac. SCR. UJT. Triac. Diac. SCR. UJT. Triac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Transistor UJT Diac Triac Transistor UJT Diac Triac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Negative resistance Peak-point voltage Bilateral conduction Intrinsic stand off ratio Negative resistance Peak-point voltage Bilateral conduction Intrinsic stand off ratio 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 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. anode voltage drops from 100 % to 90 % of its actual value. ANSWER DOWNLOAD EXAMIANS APP
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