Question

The path along which the unit pole will move in magnetic field is called magnetic lines of forces.​

Answer 1

Answer:

This was introduced by Michael Faraday. The magnetic field line is the imaginary path along which an isolated north pole will tend to move if it is free to do so. The magnetic lines of force are closed curves. ... The number of lines of force per unit area at a point gives the magnitude of the field at that point.

Answer 2

Answer:

The closed curves in a magnetic field is called the magnetic lines of force.

Outside the magnets, the field lines emerge from north pole and merge at the south pole. Inside the magnet, the direction of field lines is from its south pole to its north pole. Thus the magnetic field lines are closed ccurves

Explanation:

Magnetic field lines of a bar magnet are shown in this diagram. These magnetic lines of force imply the presence of magnetic force around the magnet. It has several properties as follows.

Magnetic field lines originate from the north pole and terminate at the south pole outside of a magnet.

They form continuous closed curves.

The direction of the magnetic field lines inside the magnet is from south pole to north pole.

The magnetic field lines never intersect each other. If they intersect there will be two directions for the magnetic field. It is not allowed.

The density of magnetic lines decreases as the distance between the poles increases.

Magnetic strength increases at the dense magnetic field lines

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