Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 260
. M. F of the cells, whichis the sum of all the formerpotential differences in the cir-cuit or 30 + 10 = 40 voltsE. M. F. or the indication ofthe voltmeter now.Exp. 66.—In Fig. 217, a fine German silver wire, AB, uniform insize, is stretched on a board between binding posts and a scale ofinches… … VA\ Frg. 217 -Fall of Potential Alonga Wire. 242 PRACTICAL ELECTRICITY. galvanometer or voltmeter are held on the wire, so as to include aportion of its length between them, as in Figure 217, the potentialdifference between the points embraced will be represented by thevalue of the deflection. One…
Electricity · Magnetism
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