What is Magnetic field ?

Explanation

(i) Magnetic field is the region or space around every magnet within which its influence can be felt by keeping another magnet in that region.
(ii) The magnetic field `vecB ` (or) magnetic inductor at a point is defined as a force experienced by the bar magnet of unit pole strength.
(iii) It is also defined as the total number of magnetic lines of force crossing per unit area normally through through a materials .