Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1/(1-S) S 1-S 1/S 1/(1-S) S 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high power factor only. high staring torque only. high staring torque and high power factor. none. high power factor only. high staring torque only. high staring torque and high power factor. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load current in a transformer lags the applied voltage by 0°. about 115°. about 75°. 90°. 0°. about 115°. about 75°. 90°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of mechanical losses. ohmic losses. eddy current losses. hysteresis losses. mechanical losses. ohmic losses. eddy current losses. hysteresis losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. None of these Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. None of these Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively less and thin large and thin less and thick large and thick less and thin large and thin less and thick large and thick ANSWER DOWNLOAD EXAMIANS APP
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