A diagram of a bar magnet showing field lines.

A magnet is something that produces a magnetic field.

Permament magnets[edit | edit source]

Magnetic Materials[edit | edit source]

Electromagnets[edit | edit source]

See main article electromagnet

Hard and Soft magnetic materials[edit | edit source]

Soft magnetic materials are magnetized and demagnetized very easily, while hard magnetic materials are very difficult to be magnetized and demagnetized. Iron is a soft magnetic materials, which is why it is used in electromagnets, steel is a hard magnetic material.

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