Question

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

Answer 1

Answer:

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

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 properties of magnetic field lines are as follows. Magnetic field lines emerge from the north pole and merge at the south pole

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