Why does a magnet compass needle get deflect in brought near bar magnet?
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A compass needle is a small bar magnet. When it is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet. Hence, a compass needle shows a deflection when brought near the bar magnet.
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Magnetic needle is made up of magnet.hence it has North and South pole.Magnetic needle always settels pointing North and South poles......
but when bar magnet is brought near it,the S pole of bar magnet attracts N pole of magnetic needle; and N pole of bar magnet attracts S pole of needle .And therefore magnetic needle get deflects
but when bar magnet is brought near it,the S pole of bar magnet attracts N pole of magnetic needle; and N pole of bar magnet attracts S pole of needle .And therefore magnetic needle get deflects
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