Determine the rotor speed, Electrical Engineering

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A four-pole, three-phase inductionmotor is energized from a 60-Hz supply. It is running at a load condition for which the slip is 0.03. Determine:

(a) The rotor speed in r/min.

(b) The rotor current frequency in Hz.

(d) The speed of the rotor rotatingmagnetic field with respect to the stator rotating magnetic field in r/min.

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