Abstract
In the course of some investigations with regard to the Earth’s magnetism, it occurred to me that a magnetised body must possess magnetic inertia in virtue of its magnetisation, just as an electrified body possesses electric inertia. I am not aware that this has been considered before, nor have I seen any calculation of the amount to be expected. The method of dimensions shows that the magnetic inertia of a body of magnetic moment m should be a numerical multiple of m 2 a -3 C -2 , where C is the velocity of radiation and a a linear dimension of the body ( e. g ., the radius, in the case of a sphere).
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Schedule a callMore From: Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character
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