Power Electronics ON state voltage drop across SCR lie between the range 0.5 - 1 V. 1 - 1.5 V. 0 - 0.5 V. 1.5 - 2 V. 0.5 - 1 V. 1 - 1.5 V. 0 - 0.5 V. 1.5 - 2 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Equalizing circuit. Fuse. Snubber circuit. Circuit breaker. Equalizing circuit. Fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A mechanical An c. None of these A d.c. A mechanical An c. None of these A d.c. 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 180°. 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 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
Power Electronics Which semiconductor device acts like a diode and two transistor? Diac. Triac. SCR. UJT. Diac. Triac. SCR. UJT. ANSWER DOWNLOAD EXAMIANS APP
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