What is the direction of magnetic field lines outside the bar-magnet?
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The lines of magnetic field from a bar magnet form closed lines. By convention, the field direction is taken to be outward from the North pole and in to the South pole of the magnet. Permanent magnets can be made from ferromagnetic materials.
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Magnetic field lines originate from the North pole (N) of a bar magnet and end into its South pole (S), forming closed loops.
Bar magnet is permanent magnet having two poles that is north pole and south pole. Like poles repel each other and unlike poles attract each other.
Magnetic field lines are the surrounding in which magnetic force can be experienced. No two lines intersect with each other.
They originate from the North pole (N) of a bar magnet and end into its South pole (S), forming closed loops.
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