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Q2. A 3ph, 440 V, 60 Hz 8 pole induction motor drives a load of 7 kW and runs at 14.4 rev/min. The power factor is 0.8 lag. The stator loss is 0.6 kW and the rotational losses (windage and friction) are 0.4 kW. Calculate EACH of the following:

(a) The slip;

(b) The frequency of the rotor e.m.f;

(c) The input power to the motor;

(d) The line current.