Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 200 A. 20 A. 400 A. 600 A. 200 A. 20 A. 400 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 60° to 120°. 60° to 180°. 30° to 180°. 30° to 150°. 60° to 120°. 60° to 180°. 30° to 180°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? COOLMOS. IGBTs. TRIAC. SITS. COOLMOS. IGBTs. TRIAC. SITS. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Cut-off None of these Saturation Negative resistance Cut-off None of these Saturation Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low di/dt. High di/dt. High dv/dt. Low dv/dt. Low di/dt. High di/dt. High dv/dt. Low dv/dt. 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 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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