Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 435
revolve about a horizontal axis,and joined in parallel with B andB at m and n. Now, since the deflection is an increasingfunction of the currents through both coils, it will be afunction of the product of the main current and the potentialdifference between m and a. or. what amounts to the… … RESISTANCE OF A CONDUCTOR. 425 384. Resistance of a Conductor. — The numerical defini-tion of electrical conductivity is quite analogous to that ofthermal conductivity (see Art. 204). Thus, suppose that two cross sections in a conductor, at adistance, 2, and having an area, A. are maintained…
Physics
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