Poynting, J. H. (John Henry), 1852-1914, Shakespear, Gilbert Arden, ed, Barlow, Guy, joint ed · Cambridge, University Press · leaf 325
, as in (c), we get a condition of instabihty, for nowwe are just half-way to a change of partners all along the hue. A third tubewill give us (d), a configuration with the same amount of energy as (b), sincethe molecules in the two cases are similar, the axes only being reversed.Hence in passing… … Kg. 13. We may usefrdly follow out the process by the aid of a diagram representingthe relation between energy put in and induction. Beginning with an ordinarycondenser, let distances along OX (Fig. 13) represent induction put in per unitarea cross-section, distances along OY difference of…
Poynting, J. H. (John Henry), 1852-1914 · Physics
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