Magnetic is a material which generates the attractive power of its around. This is nothing but the attractive area. In this attractive area, the route of the area at any point should be the route of the power on an N post. Let us see about the law of magnetism and how the material obtain magnetism.
When a magnetic is kept at a place, the area around it gets customized and it becomes a chair of power. If another magnetic is introduced into this area it is functioned upon by a power due to this power. Then the area around the magnetic is said to be associated with a area known as attractive area. Magnetic area can be described as that which can put in a attractive power and can generate attractive introduction in the issue placed in it. This attractive introduction is determined as a vector B.