Question

Give the characteristics of the field lines represent?​

Answer 1

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

1.they are closed curves

2.they are continuous endless loops

3.they come closer near the poles of the magnet

4.they never intersect each other

5.they emerge at North Pole and merge at South pole