What are magnetic field lines? How is the direction of magnetic field at a point in a magnetic field determined using field lines?

Question

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Answer 1

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.

Answer 2

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.

What are magnetic field lines? How is the direction of magnetic field at a point in a magnetic field determined using field lines?

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.

The ________ drawn at any point on the magnetic lines of force gives direction of magnetic field at that point.

Figure shows the magnetic field lines in a magnetic field. A, B. and C are three points in this field. At what point is the magnetic field strong ?

Magnetic field lines :

Why do magnetic field lines not intersect each other?

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

Revise with Concepts

Properties of Magnetic Field Lines Around a Bar Magnet