Poynting, J. H. (John Henry), 1852-1914, Shakespear, Gilbert Arden, ed, Barlow, Guy, joint ed · Cambridge, University Press · leaf 204
ends connected with the binding screwsK,L. The coils are denoted respectivelyby the numbers 1-5. The null method is adopted in eachcase. That is two forces acting onthe needle and arising from differentarrangements of the circuit are shownto balance each other, and from thearrangements necessary to… … GALVANOMETER TO ILLTJSTEATE ACTION OF CTJEEENTS ON MAGNETS 169 directions round the coils (1) and (2), and since tbe needle is not deflected thereversal of the force when the current is reversed is proved. II. The force is proportional to the length of current acting. This is provedby the last, for…
Poynting, J. H. (John Henry), 1852-1914 · Physics
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