Question

write any 3 Property of magnetic field lines?​

Answer 1

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magnetic field lines are imagery line used to represent magnetic field

Characteristics are as follows:

1.they do not intersect each other

2.the relative strength of magnetic field lines is given by the degree of closeness

3.their direction is indicated by arrows in the line at any point

4.the direction of field line inside the magnet is from south to north pole and vice-versa outside the magnet

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Answer 2

Answer:-

The three properties of magnetic field lines are:-

1. The magnetic field lines started from the north pole of a magnet and end at its south pole.
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2. The magnetic field lines come closer to one another near the poles of a magnet but they are widely separated at other places. In north magnetic pole experiences are stronger force when it approaches one of the poles of the magnet. This means that the magnetic field is stronger near the poles. From this we conclude that where magnetic field lines are closer together, it indicates a stronger magnetic field. On the other hand when magnetic field lines are widely separated, then it indicates a week magnetic field.

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3. The magnetic field lines do not intersect one another. This is due to the fact that the resultant force on a North Pole at any point can be only in one direction. But if the two magnetic field lines intersect one another, then the resultant force on a north pole placed at the point of intersection will be alone to direction which is not possible.
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