Question

How is the direction of magnetic field at a point determined?

Answer 1

The direction of magnetic field at a point is determined by placing a small compass needle at that point.

Answer 2

Answer:

$Hey Dear..$.

$[\box] The direction of a magnetic field at a point is determined by placing a small compass needle. The N - pole of compass indicates the direction of magnetic field at that point. ... Magnetic field lines emerge from the north pole and merge at the south pole.$