Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Página 547
... becomes electrified in a very perceptible degree , and sparks may drawn from any part of his body . be When an ... become quite insen- sible . This explains the disappearance of electricity when a body is put in connection with the earth ...
... becomes electrified in a very perceptible degree , and sparks may drawn from any part of his body . be When an ... become quite insen- sible . This explains the disappearance of electricity when a body is put in connection with the earth ...
Página 550
... becomes negatively , and the glass posi- tively electrified ; but if the metal be covered with a catskin , and the experiment repeated , it will be the glass which will this time be negatively electrified . In the subjoined list , the ...
... becomes negatively , and the glass posi- tively electrified ; but if the metal be covered with a catskin , and the experiment repeated , it will be the glass which will this time be negatively electrified . In the subjoined list , the ...
Página 555
... become positive on one side and negative on the other . In the case of good conductors , this polarization is only instantaneous , being destroyed by the dis- charge of electricity from particle to particle . Good insulators are ...
... become positive on one side and negative on the other . In the case of good conductors , this polarization is only instantaneous , being destroyed by the dis- charge of electricity from particle to particle . Good insulators are ...
Página 562
... becomes more important as the distance is diminished . Hence the repulsion at distance 9 should be less than a quarter of that at distance 18. The apparent error thus confirms the law . Many persons have adduced , as tending to ...
... becomes more important as the distance is diminished . Hence the repulsion at distance 9 should be less than a quarter of that at distance 18. The apparent error thus confirms the law . Many persons have adduced , as tending to ...
Página 570
... become 2 : 1 . 576. Method of Experiment . - The preceding results were obtained by Coulomb in the following manner . He touched the electrified body at a known point with the proof - plane , and then put the plane in the place of the ...
... become 2 : 1 . 576. Method of Experiment . - The preceding results were obtained by Coulomb in the following manner . He touched the electrified body at a known point with the proof - plane , and then put the plane in the place of the ...
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