Why don't two magnetic field lines intersect each other?

Subject: General Science

Topic: Magnetic Effects of Electric Current

Options:

1. Option A: Because they repel each other
2. Option B: Because they attract each other
3. Option C: Because at the point of intersection, the compass needle would point in two directions
4. Option D: Because magnetic field lines are always parallel

Correct Answer:

Option C: Because at the point of intersection, the compass needle would point in two directions

Explanation:

If two field lines intersected, it would mean that at the point of intersection, the compass needle would point towards two directions, which is not possible.