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 150
the other outside, and the same quantity ofelectricity is discharged through the circuit. Experiment showsthat the quantity of heat liberated, and consequently also the re-sistance, is, for a given metal, directly proportional to the lengthof the wire, and inversely proportional to its area of… … Fig. 75. of a metal—that is to say, the resistance expressed in any unitswhich it offers for unit length and unit section—the resistance, R,of a conductor of this metal, of length I, and section ,>, in termsof the same unit, will be H = p--s We shall hereafter become acquainted with methods more…
Electricity · Magnetism
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