Elementary treatise on electricity and magnetism (1903)
Foster, George Carey, 1835-1919, Joubert, Jules François, 1834-1910. Traité élémentaire d'électricité, Porter, Alfred William, 1863- joint author · London, New York, Longmans, Green, and co. · leaf 479
The coils in the arms a and a are 10, 100, 1000,and 10,000 ohms. Hence we can get any decimal latio between10-s and lO^. 377. Wire Bridge.—Suppose that in the ordinary quadri-lateral (Fig. 321), one of thesummits, o, is replaced bya straight wire ab, alongB which the end, c, of thegalvanometer… … of lengthlibrium of the wire ab, wea a + j: b + l- The wire, which is usually of german-silver, forms one side ofan elongated rectangle (Fig. 322), the other three sides of whichare made up of broad copper bands of negligible resistance, at gapsin which the two resistancesto be compared, a and…
Electricity · Magnetism
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