The relation H propto I and the susceptibilit | vedclass

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(C) The relation $H \propto I$ implies a linear relationship between the intensity of magnetization $(I)$ and the magnetic field intensity $(H)$.For d

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Ferromagnetic

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(C) The relation $H \propto I$ implies a linear relationship between the intensity of magnetization $(I)$ and the magnetic field intensity $(H)$.For diamagnetic and paramagnetic substances,the relationship is linear,and the magnetic susceptibility $\chi = \frac{I}{H}$ is a constant.However,for ferromagnetic substances,the relationship between $I$ and $H$ is non-linear and exhibits the phenomenon of hysteresis.Therefore,the simple linear relation $\chi = \frac{I}{H}$ is not applicable to ferromagnetic substances.

The relation $H \propto I$ and the susceptibility $\chi = \frac{I}{H}$ are not applicable for which of the following substances?

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