Question

Write any three properties of magnetic lines of force.

Answer 1

The path along which the unit North pole moves in a magnetic field is known as magnetic lines of force.
(a) These magnetic lines of force are closed continuous curves. They start from the North pole and end on the South pole. No two magnetic lines of force can intersect each other.
(b) The tangent at any point on the magnetic lines of force gives the direction of the magnetic field at that point.
(c) Where the magnetic field is strong, the magnetic lines of force are crowded and where the field is weak, the magnetic lines of forces are far from each other.