Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as electric motors, generators, inductors, electromagnets, transformers, and sensor coils. The magnetic field lines ( green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field thereĪn electromagnetic coil is an electrical conductor such as a wire in the shape of a coil ( spiral or helix). For other uses, see Winding (disambiguation).
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