Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
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Página 546
... kind between them , which was first pointed out by Stephen Grey in 1729 . 557. Conductors and Non - conductors . - In certain bodies , such as glass and resin , electricity does not spread itself beyond the parts of the surface where it ...
... kind between them , which was first pointed out by Stephen Grey in 1729 . 557. Conductors and Non - conductors . - In certain bodies , such as glass and resin , electricity does not spread itself beyond the parts of the surface where it ...
Página 548
... kind as that developed on the glass . They exhibit opposite forces towards any third electrified body , each attracting what the other repels . They have accordingly received names which indi- cate opposition . The electricity which ...
... kind as that developed on the glass . They exhibit opposite forces towards any third electrified body , each attracting what the other repels . They have accordingly received names which indi- cate opposition . The electricity which ...
Página 549
... kind , or of opposite sign ; and experiment shows that , whenever electricity of the one kind is developed , whether by friction or by any other means , electricity of the opposite sign is always developed in exactly equal quantity . If ...
... kind , or of opposite sign ; and experiment shows that , whenever electricity of the one kind is developed , whether by friction or by any other means , electricity of the opposite sign is always developed in exactly equal quantity . If ...
Página 550
... kind of electricity which a body obtains by friction with another body , evidently depends on the nature of their surfaces . If , for example , we take two discs , one of glass , and the other of metal , and , holding them by insulating ...
... kind of electricity which a body obtains by friction with another body , evidently depends on the nature of their surfaces . If , for example , we take two discs , one of glass , and the other of metal , and , holding them by insulating ...
Página 553
... kind of action is called induction . It may be illustrated by means of the arrangement shown in Fig . 335. The apparatus consists of a sphere C which is electrified posi- tively , suppose , and of a conducting insulated cylinder AB ...
... kind of action is called induction . It may be illustrated by means of the arrangement shown in Fig . 335. The apparatus consists of a sphere C which is electrified posi- tively , suppose , and of a conducting insulated cylinder AB ...
Términos y frases comunes
acid action angle apparatus armature arrangement attraction axis ball battery binding-screws body called carbon cells centimetres centre charge circuit condenser conductor connected consists copper copper plate copper wire current is passing cylinder deflection denote diamagnetic difference of potential disc discharge distance earth effect electrical machine electrified electro-magnet electro-motive force electrolysis electroscope employed energy equal experiment galvanometer glass gutta percha heat Hence horizontal increase inner coating instrument insulated intensity inversely junction knob length Leyden jar lines of force liquid magnetic force magnetic meridian mercury metal millimetre mirror galvanometer motion movable needle negative observed obtained opposite direction outer coating parallel perpendicular plane poles portion positive electricity produced quantity of electricity repelled represented in Fig repulsion resistance revolving rotation round shellac side solenoid spark surface suspended telegraph temperature terrestrial magnetism Thomson effect tion tricity tubes of force unit V₁ velocity vertical wire zinc