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 145
e needle usually hangs by twococoon fibres, which constitute what iscalled a hijilar stcspension. The position of mechanical eqiiili-brium of the needle is that in which thetwo fi1r)res are in the same plane. Fora small deflection the foice which tendsto bring the needle back to its positionof… … Fig. GG. 83] QUADRANT ELECTROMETER 123 We may regard the electrometer as consisting of two condensersthe inner coatings of which are portions of the needle at potentialr„, while the outer are the two pairs of quadrants aa and bb atpotentials V^ and F., respectively, while their charges are Q^…
Electricity · Magnetism
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