Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased None of these Is decreased Remains the same Is increased None of these Is decreased Remains the same 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 Which statement is true for latching current ? It is related to conduction process of device. Both C and D. It is related to turn off process of the device. It is related to turn on process of the device. It is related to conduction process of device. Both C and D. It is related to turn off process of the device. It is related to turn on process of the device. 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°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of electrons only. Both electron and holes. holes only. either electron or holes. electrons only. Both electron and holes. holes only. either electron or holes. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 20 A. 200 A. 400 A. 600 A. 20 A. 200 A. 400 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP