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 197
rent, and of breadth rdd, at right angles to the current. If z is the thickness of the sheet and p its specific resistance, the resistance of this elementary portion may be taken as pdr zrdOThe whole circular strip bounded by the two circles contains iTrjddsuch areas, which may be considered as… … 174 APPLICATIONS OF OHMS LAW [122- of Iadii i\ and /•., differing by a finite amount, wo requii-e to in-tegiiite this expression between the corresponding limits. Thusthe resistance of the belt is ^ = o--r^-o W^ = ^-3G«5^1og,„X But (114) the difference of potentials Vjetween two equi-potential…
Electricity · Magnetism
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