Question

What is magnetic field lines? what does they

indicate ?​

Answer 1

Magnetic field lines are a visual tool used to represent magnetic field. They describe the direction of the magnetic force on a north monopol at any given position. because monopoles are not found to exist in nature.

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Answer 2

Answer:

A field line is a graphical visual aid for visualizing vector fields. It consists of a directed line which is tangent to the field vector at each point along its length.