For which of the following substances, the magnetic susceptibility is independent of temperature?
A
diamagnetics only
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B
paramagnetics only
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C
ferromagnetics only
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D
diamagnetics and paramagnetics both
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Solution
The correct option is A diamagnetics only Magnetic susceptibility is independent of the temperature only in diamagnetic materials. In paramagnetic it varies linearly with temperature. Ferromagnetic materials behaves as a paramagnetic above certain tmperature called curie temperature.