Power Electronics The triac is ___________. Like a bidirectional SCR A four-terminal device Not a thyristor None of these Like a bidirectional SCR A four-terminal device Not a thyristor None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Four Two Five Three Four Two Five ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.0. 0.5. 1.2. 1.5. 1.0. 0.5. 1.2. 1.5. 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 What is used to protect a thyristor from high di / dt conditions? Snubber circuit. Fuse. Voltage clamping device. Inductor. Snubber circuit. Fuse. Voltage clamping device. Inductor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS