Calculate the new speed and armature current

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Reference no: EM13964495

A 220 V shunt motor has armature and field resistances of 0.2Ω and 220Ω respectively. The motor is driving constant load torque and running at 1000 rpm drawing 10 A current from the supply.

Calculate the new speed and armature current if an external armature resistance of value 5Ω is inserted in the armature circuit. Neglect armature reaction and saturation.

Reference no: EM13964495

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