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 150°. 30° to 180°. 60° to 120°. 60° to 180°. 30° to 150°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Breakover voltage None of these Gate current Gate voltage Breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A rectifier A sawtooth generator None of these Am amplifier A rectifier A sawtooth generator None of these Am amplifier ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Decreases Increases Remains the same None of these Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor A four-terminal device None of these Like a bidirectional SCR Not a thyristor A four-terminal device None of these Like a bidirectional SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Drain, source and gate. Collector, emitter and gate. Collector, emitter and base. Drain, source and base. Drain, source and gate. Collector, emitter and gate. Collector, emitter and base. Drain, source and base. ANSWER DOWNLOAD EXAMIANS APP
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