It is mainly used in electrical circuits to solve electromagnetic compatibility (EMC) problems. It is a common soft magnetic material. The advantages are high magnetic permeability, high resistance and low eddy current loss over a wide frequency range.
The coil is winding around the core to form an inductor or a transformer. The inductor is a circuit component that generates an electromotive force due to a change in current passing through it, thereby resisting a change in current.
Inductors are widely used in instrumentation, communication equipment and household appliances.
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