NEET AIPMT SOLVED PAPER 2001

  • question_answer
                    In which type of material the magnetic susceptibility does not depend on temperature?              

    A)                 Diamagnetic

    B)                 Paramagnetic

    C)                 Ferromagnetic

    D)                 Ferrite

    Correct Answer: A

    Solution :

                    The magnetic susceptibility of a material is a measure of the ?ease? with which a specimen of that material can be magnetised in a magnetising field. For a diamagnetic substance magnetic susceptibility \[({{\chi }_{m}})\] is independent of temperature.                 Note:    According to Curie?s law \[{{\chi }_{m}}\] for paramagnetic and ferromagnetic materials varies as \[{{\chi }_{m}}\propto \frac{1}{T}\], T being Kelvin temperature.


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