what is atomic model of magnetism on the basis explain the diamagnetism , paramagnetism, ferromagnetism?
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An atomic electron is equivalent to a current loop which has orbital magnetic moment. Further, electron spin givesrise to the spin magnetic moment. ... Thus each atom acquires a net magentic moment and the diamagnetic matrial is weakly mgnetized. The induced magnetic moment is opposite in direction to the applied field.
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in diamagnetism metal have no unpaired electron and it is repelled by magnetic field
in paramagnetism metal have 1 to3 unpaired electron and it is weakly attracted by magnetic field
in ferromagnetism metal have more than 3 unpaired electron and it is strongly attracted by magnetic field
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