File:The Philosophical magazine; a journal of theoretical, experimental and applied physics (1798) (14596288980).jpg

Identifier: s04philosophicalmag14londuoft (find matches)
Title: The Philosophical magazine; a journal of theoretical, experimental and applied physics
Year: 1798 (1790s)
Authors:
Subjects: Physics
Publisher: London Taylor & Francis (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: Ontario Council of University Libraries and Member Libraries

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)recarious matter, became altogether eli-minated m the inquiry. 3. Preliminary views.—If an insulated neutral conductor, N,Plate I. fig. 1, be immediately opposed to an insulated chargedconductor P, then, as is well known, a peculiar and very extra-ordinary species of action ensues,—an action apparently of asympathetic kind, and which at first seems to be an action ex-erted between the two bodies at a distance. The result of thisaction, whatever it be, is to change the actually existing electricalcondition of the two bodies; e. g. the neutral body N, withoutany ducct communication of electricity, exhibits a state of elec-trical excitation and becomes attractive of surrounding matter, * Transactions of the Royal Society for 1834, 1836, 1839. jrnu.^uua. oer.T^. \ol.l-h-. ri.i Fi<). 5
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F^.16. Sir W. Snow Harriss ResearcJies in Statical Electricity. 83 whilst the existing attractive force of the charged body P onsurroundmg matter is sensibly diminished. The electrical statethus induced in the neutral body X, is a peculiar state: itsnear face n, immediately presented to the charged body P,assumes a condition of electrical force directly opposed to that ofP, whilst its remote face, p, exhibits the same kind of force. Onthe other hand, the near face ot the charged body P immediatelyopposed to N, although its electrical state is still the same, ex-hibits a very considerable increase of charge; and this is attendedby such a diminution of charge in its remote face ;•, that thisface r will, under some ciicumstances, not only approach neu-trality, but it may actually pass that limit. The subsequent oractually existing states of these two bodies, therefore, instead ofbeing as represented in fig. 1, may be better conceived by the dia-gram,;fig. 2. This peculiar electrical di

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