A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 995
- //AH 0. •(2) The current is therefore proportional to the deflection. This is of great convenience in practice, and renders this arrangementparticularly serviceable for theconstruction of ammeters (p. 870). A Force between currents.—Since acurrent has a magnetic field in itsneighbourhood, and a… … Km. mis. -Force between parallel currents. LXXV KELVIN CURRENT BALANCE 971 long straight parallel wires carrying currents ix and ?2 in the samedirection. If the distance between them be r centimetres, thestrength of magnetic field at B due to A is 2ijr (p. 965). B beingsituated in this magnetic…
Physics
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