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A transformer uses a varying magnetic field to induce a voltage in another winding, often changing the voltage to match the requirements of the load.

A motor uses a varying magnetic field in induce a torque in the armature, making it turn, converting electrical energy into mechanical energy. In the case of an induction motor, the "windings" in the armature are built in as "single turn shorted secondary windings", rather than windings connected via slip rings or commutators, but the end result is the same - opposing and attracting magnetic fields cause the armature to rotate.

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Difference between transformer and induction motor?

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