3.10
An electric motor has 150 conductors each exerting a force of 12 N at a radius of 85 mm.
Determine the power developed by the motor at a speed of 750 revolutions per minute.
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The motor is driving load torque, TL ∝ n2 and running at 1000 rpm drawing 10 A current from the supply. Calculate the new speed and armature current if an
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