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A 230 volt, 60 Hz, 4 pole star connected, three phase induction motor operates at a...

A 230 volt, 60 Hz, 4 pole star connected, three phase induction motor operates at a full load speed of 1710 rpm. The power developed at this speed is 2 horse power. If the supply voltage fluctuates ±10%, determine the torque range of the motor.

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