Determine the speed at which the machine runs as a motor, Electrical Engineering

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A 100-kW, dc shunt generator, connected to a 220-V main, is belt-driven at 300 r/min, when the belt suddenly breaks and the machine continues to run as a motor, taking 10 kW from the mains. The armature winding resistance is 0.025, and the shunt ?eld winding resistance is 60. Determine the speed at which the machine runs as a motor.

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