Hard ferromagnetic materials {permanent magnet}| holds magnetism even in another magnetic field. Soft-metal ferromagnets {soft magnet} lose or change magnetism in another magnetic field.
Physical Sciences>Physics>Electromagnetism>Magnetism>Kinds>Ferromagnetism
5-Physics-Electromagnetism-Magnetism-Kinds-Ferromagnetism
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224