The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 365
an infinite conductor C of the same material. This example isof practical importance in connection wath mercuryresistance standards. The appropriate analysis wasfirst given by Lord Rayleigh, discussing a parallelproblem in the theory of sound. Let I be the length and a the radius of the tube.To… … the infinite conductor C. The former resistance is —-, the latter, by § 388, TTf , so that a lower limit to the whole resistance is is 4>a h ira T 4a which is the resistance of a length / + ^ of the tube. 7ra To obtain an upper limit to the resistance, we imagine non-conductingtubes placed…
Electricity · Magnetism
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