Abstract
ACCORDING to the classical theory of magnetization, if a long solenoid is excited with direct current so as to produce a magnetic force H along the axis, then if a long steel rod is placed axially in the solenoid, the magnetizing force at the central part of the rod will be H and will be uniform over the cross-section of the rod. The following experimental results, however, indicate that this conception is incorrect.
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WALL, T. Mechanism of Magnetization. Nature 142, 1039 (1938). https://doi.org/10.1038/1421039a0
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DOI: https://doi.org/10.1038/1421039a0