Question

What are magnetic field lines? How is the direction of a
magnetic field at a point determined? Mention two importan
properties of magnetic field lines.​

Answer 1

Answer:

A magnetic field line is the path along which a free north-pole tends to move. The direction of a magnetic field at a point is determined by placing a small compass needle. The N - pole of compass indicates the direction of magnetic field at that point.

Explanation:

Hope it helps you! ❤