Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 153
>^V^- i\-v SirPgAK Ik ^fgjgjg;;-^^j^>g-^^^^^=g^^^=s^^ from which by subtraction Fig. 72. V={e-e), It is thus sufficient to measure the difference e - e of the twopositions of the plate a. 87. In order to keep this plate at a constant potential, Fj, thewhole system consisting of the plate, the… … 130 ELECTROSTATIC MEASUREMENT [87- formed by the gla.ss case of the instrument. One of two accessorypieces of apparatus serves to maintain, and the other to verify, theconstancy of the potential, Vy The first, R, which is called thereplenisher (73), increases the charge of the jar when the knob…
Electricity · Magnetism
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