Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 46
area) is the same at every point. Experiments on anelongated cylinder, like the prime conductor of the elec-tric machine, show that the density is greater at the ends.On an egg-shaped conductor, like that shown in Fig. 141,the density is greatest at the smaller end. In general,the electric density… … Fig. 141. quickly carrying off the charge by convection. Thisexplains the effect of pointed conductors, which plays soimportant a part in the action of electric machines. Thisproperty will be illustrated in several of the experimentsof § 371. It is fundamental to the quiet action of light-ning…
Electricity · Magnetism
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