A iron bar kept in Geographical North-South Direction becomes a magnet, What if we burry a round piece of iron, will it also become a magnet ?? Or not.
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Magnetism is the force exerted by magnets when they attract or repel each other
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An unmagnetized steel bar buried in earth in the north -south direction would, after a few days, exhibit magnetic properties, making it a weak magnet. Explain by giving reasons how this is possible. In what way will the effect be different if the steel bar is to be placed above the surface of earth ?
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