The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 575
nt passingthrough the wire heats it. This current by Ohms law is propor-tional to the electro-motive force between the terminals. As it isheated it expands and as it cools contracts, definite expanding and -= 570 STANDARD EIvECTRICAL DICTIONARY. contracting corresponding to definite potential… … Pi?- 345- Cardew Voltmeter. In this construction for a given expansion of the wire the piecec only moves one half as much. The advantage of using a wiretwice as long as would be required for the same degree of move-ment were the full expansion utilized is that a very thin wire canbe employed. Such…
Electricity
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