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A '''ferromagnet''' is a piece of ] material such as ] containing tiny crystals, called ''domains'', that have been aligned by an external magnetic field from another ] or electromagnet so that the piece itself becomes a permanent magnet. The name derives from the ] ''ferrum'', meaning iron. | ||
| See also ]. | |||
Revision as of 22:06, 23 December 2002
A ferromagnet is a piece of ferromagnetic material such as iron containing tiny crystals, called domains, that have been aligned by an external magnetic field from another magnet or electromagnet so that the piece itself becomes a permanent magnet. The name derives from the Latin ferrum, meaning iron.