The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 197
Fig. 59. … Fig. 60. any positive integer. If we take polar coordinates, so that the two planes TT are ^ = 0, 0 = - , and suppose the charge to be a charge e at the point r, 6,we shall find that charges e at (r, 6), (r, ^ + ~^) ^ ^^ -. at ir.-e), [r.-ie^^)), [r. - [o ^^)) . ..., give zero potential over the…
Electricity · Magnetism
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