Stoletov curve

Stoletov curve shows the dependence of the magnetic permeability ${\displaystyle \chi }$ of ferromagnetics on the intensity of the applied magnetic field H. The curve is named after physicist Aleksandr Stoletov who analyzed in a long series of experiments the magnetic properties of iron rings in the period 1871–1872 during his stay at the Physical Laboratory of the University of Heidelberg.^[1]

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