Which one of the following statements best describes the nature of the field lines due to a bar magnet

# Which one of the following statements best describes the nature of the field lines due to a bar magnet

1. A

Field lines start from the north pole and end on the south pole, Any number of field lines can pass through a point

2. B

Field lines start from the north pole and end on the south pole. Only one field line passes through a point

3. C

Field lines are continuous lines passing inside and outside the magnet. Only one field line passes through a point

4. D

Field lines are continuous lines passing inside and outside the magnet. Any number of field lines can pass through a point

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### Solution:

Field lines are closed loops. So, they pass continuously inside and out side the magnet.

Magnetic lines never intersect each other . So, only one field line passes through a point.

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