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.