The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 202
— X -^ , and of direction parallel to the negative axis of x. The strengthR R = ^^ = -Fa^R^ • Thus we may say that the image of a uniform field of force of strength Fis a doublet of strength Fa^ and of direction parallel to that of the intensityof the uniform field. The potential of this doublet is… … Fig. 63. As it ought, this gives a constant potential C over the surface of thesphere.
Electricity · Magnetism
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