Paheli has this puzzle for you. you are given two identical bars which look as if they might be made of iron. one of them is a magnet, while the other is a simple iron bar. how will you find out, which one is a magnet with out using any other object?
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we will distinguish them by magnetic property it have many property like attracting the Iron nails and it has one more property of resting at north south direction when it is suspended
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