write a short note on bar magnet?
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A bar magnet is a rectangular piece of the object. It is made up of iron, steel or any other ferromagnetic substance or ferromagnetic composite, having permanent magnetic properties. The magnet has two poles: a north and a south pole.
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the bar magnet is the rectangular piece of object .
it is made up of iron , steal , and many other ferromagnetic. substance or ferromagnetic composite , having permanent magnetic properties....
when you suspended it freely ,
the magnetic alings itself so that the north pole points towards the magnetic north pole of the earth.
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