Question

Where are the field lines most concentrated around a bar magnet

Answer 1

At North and South pole the field lines of bar magnet are most concentrated

Answer 2

The strength of the field varies depending on its location around the magnet. The magnetic field of a bar magnet is strongest at either pole of the magnet. It is equally strong at the north pole when compared with the south pole. The force is weaker in the middle of the magnet and halfway between the pole and the center.

If you were to sprinkle iron filings on piece of paper and place the magnet beneath it, you could see the path of the magnetic field lines. The field lines are closely packed at either pole of the magnet, widening as they get further from the pole and connecting to the opposite pole of the magnet. The magnetic field lines emerge from the north pole and enter the south pole. The magnetic field gets weaker the further you get from either pole, so a bar magnet is only useful for picking up small items over short distances.

thus,THE MAGNETIC FORCE IS STRONGER AT THE NORTH AND SOUTH POLE ,WHEREAS WEAKER AT THE MIDDLE OF THE MAGNET

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