Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 151
nd 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 .s, in termsof the same unit, will be R = pi. s We shall hereafter become acquainted with methods more…
Electricity · Magnetism
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