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प्रश्न
Though Earth is acting as a huge bar magnet it is not attracting other ferromagnetic materials. Why? Give reasons.
उत्तर
Earth is not attracting other ferromagnetic materials because the magnetic character of ferromagnetic materials is affected by the external temperature. When they are heated, they become paramagnetic at curie temperature.
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संबंधित प्रश्न
How are the north and south poles of a magnet located? Explain.
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