Effect of temperature on dia and para magnetic materials
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Note that diamagnetism is a weak effect while paramagnetism is a much stronger effect. ... These two forms of paramagnetism show characteristic variations of the magnetic susceptibility with temperature. In the case of ferromagnetism, above the Curie point the material displays "normal" paramagnetic behavior............................
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☑ For iron, the Curie Point is 770°C. On the other hand, cooling the magnet even further to 0°C or sub zero temperatures will cause the magnet to become stronger. This is because cooling reduces the kinetic energy of the molecules in the magnet.
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