Ferromagnetic objects

Ferromagnetic objects are materials like iron, cobalt, and nickel that can become strongly magnetic. They have countless tiny magnetic regions called domains, each with magnetic moments aligned in the same direction. When exposed to a magnetic field, these domains align, causing the material to become magnetized and attracted to magnets. Once the external field is removed, many ferromagnetic materials retain their magnetization, making them permanent magnets or magnetically attractive objects. This property is due to their atomic structure that allows their electrons’ magnetic moments to align collectively, resulting in strong, persistent magnetic fields.