The magnetism which remains in effect on a piece of magnetic material or between two pieces of magnetic material after the electromagnetic field created by the <acronym title="The copper windings on the Solenoid that provide an electrical element through which a current is passed to generate a magnetic field. During the winding process, a precision wound coil follows a prescribed pattern in which each turn is laid precisely beside the previous turn. This allows the maximum amount of copper to be wound in the allotted space. A coil with no specific winding pattern is called a random wound coil.">coil has been removed. An air gap is usually maintained between two magnetic poles to minimize the effects of residual magnetism .

Residual Magnetism

The magnetism which remains in effect on a piece of magnetic material or between two pieces of magnetic material after the electromagnetic field created by the coil has been removed. An air gap is usually maintained between two magnetic poles to minimize the effects of residual magnetism.

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