Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ 1/V² T ∝ V T ∝ 1/V T∝ V² T ∝ 1/V² T ∝ V T ∝ 1/V T∝ V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 100 V. 800 V. 200 V. 400 V. 100 V. 800 V. 200 V. 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 0° 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running at rated speed without any additional resistance in series. If an additional resistance is placedin series, the speed of motor Oscillates around the rated speed. Increases. Decreases. Remains unchanged. Oscillates around the rated speed. Increases. Decreases. Remains unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load remains unaffected None of these increases decreases remains unaffected None of these increases decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a transformer has turns ratio K, the primary and secondary current are I1 and I2 respectively and magnetizing current and core loss component of no load current Iμ and Iw respectively, then I1 = KI2 + Iw. I1 = KI2. I1 = KI2 + Iμ. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iw. I1 = KI2. I1 = KI2 + Iμ. I1 = KI2 + Iw + Iμ.ok ANSWER DOWNLOAD EXAMIANS APP
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