Question

What are ‘magnetic field lines’? How is the direction of a magnetic field at a point determined ?

Answer 1

The magnetic field lines are the pictorial representation of the strength and direction of the magnetic field.

The direction of the magnetic field at a point can be found by placing a small magnetic compass at that point. The north end of the needle of a compass indicates the direction of magnetic field at a point where it is placed.


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Answer 2

Hey mate....

here's the answer....

Magnetic field lines are those lines which are formed around a magnet and they also represent direction.. Direction of a magnetic field at a point is determined by placing a small compass needle .The N point will represent it..

Hope this helps❤