The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 205
2e log —,° a from which it appears that a cylinder of small radius a surrounding thewire is an equipotential. We may now suppose the wire to have a finiteradius a, and to coincide with this equipotential. Thus the capacity of thewire per unit length is 1 ^ a 13—2 196 Methods for the Solution of… … Fig. 65. both are charged. We can obtain this field by superposing an infinite seriesof separate fields (cf § 116). Suppose first that A is at potential V while B is at potential zero. As afirst field we can take that of a charge Va at A. This gives a uniformpotential V over A, but does not give…
Electricity · Magnetism
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