Advanced theory of electricity and magnetism; A text-book for colleges and technical schools (1915)
Franklin, William S. (William Suddards), 1863-1930, MacNutt, Barry, 1878-1936. joint author · New York, Macmillan · leaf 51
e to be drawn so that oneline of force passes through each square. Then the magneticflux across any other surface or shell A A placed anywhere in the 40 ADVANCED ELECTRICITY AND MAGNETISM. field will be equal to the number of these lines of force which crossAA. 26. Proposition.—The amount of… … Fig. 34. area of this spherical surface is 411T2 (neglecting the small portion of the sphere which falls inside of the slim magnet at b). The magnetic field at the spherical surface due to M is everywhere at right angles to the surface, and its intensity at the surface is MH = -y according to Art.…
Electricity · Magnetism
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