A magnetic field is the space around a magnet where magnetic force can be detected. Magnetic field lines show the direction and strength of the magnet
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What is a magnetic field?
A magnetic field is the region around a magnet or a current-carrying conductor where a magnetic force can be detected. It is a vector quantity, having both magnitude and direction.
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What are magnetic field lines?
Magnetic field lines are imaginary curved lines used to represent a magnetic field. Outside a magnet they run from the north pole to the south pole, and their direction at any point is the direction a compass north pole would point.
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Why do two magnetic field lines never intersect?
If two field lines crossed, a compass placed at that point would have to point in two different directions at once, which is impossible. So magnetic field lines never intersect.
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