A magnet using the magnetism “locked into” the structure of a suitable material rather than a current in a coil. Commonly used permanent magnet materials are iron-cobalt, ferrite, samarium-cobalt, or neodymium.
A magnet using the magnetism “locked into” the structure of a suitable material rather than a current in a coil. Commonly used permanent magnet materials are iron-cobalt, ferrite, samarium-cobalt, or neodymium.