Magnetic materials magnetic materials Ferromagnetic
! The object is a magnetic hard. (make a magnetic easy) including iron, nickel, cobalt and compounds of these metals
magnetic material is divided into 2 type is
.Permanent magnet (Hard) is a magnet that no magnetism easily after being a mother. Temporary magnet steel
(Soft) is a magnetic material that may not keep the magnetism long after ถูกทำให้ magnetic
.Domain theory of magnetism Domain theory of magnetism
.This theory on. Magnetic material consists of a dipole or molecular magnet. The force of each other, and in the one, which is called the domain. The pole point to the same direction.