Gerard, Eric Mary, 1856-1916 · New York W.J. Johnston · leaf 59
ction for all internal points, and equal to ^n multiplied by the viaximutn 3density or intensity of magnetizatioti of the sphere. 43. Magnetic Shells.—This name is given to a lamellarmagnet whose faces have equal and opposite densities. Amagnetic shell may be considered as the result of the… … Fig. 12.The product ea = JF,, which represents the moment ofthe shell per unit surface, is called the strength of the shell.The dimensions of this quantity, the importance of whichwill be understood in the study of electromagnetism, are Let 6 (Fig. 12) be a curved shell with its positive face 44 MA…
Electricity · Magnetism
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