Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Página 546
... called an insulator , and a conductor supported by a non - conductor is said to be in- sulated . The appropriateness of these expressions is evident . No substance is perfectly non - conducting , but the difference in conduct ...
... called an insulator , and a conductor supported by a non - conductor is said to be in- sulated . The appropriateness of these expressions is evident . No substance is perfectly non - conducting , but the difference in conduct ...
Página 547
... called non - conductors and good con- ductors , is enormous . The following are lists of conductors and non - conductors , arranged , at least approximately , in order of their conducting powers . In the list of conductors , the best ...
... called non - conductors and good con- ductors , is enormous . The following are lists of conductors and non - conductors , arranged , at least approximately , in order of their conducting powers . In the list of conductors , the best ...
Página 548
... - cate opposition . The electricity which glass acquires when rubbed with silk , is called positive ; and that which resin acquires by friction DUALITY OF ELECTRICITY . 549 with flannel , negative . 548 INTRODUCTORY PHENOMENA .
... - cate opposition . The electricity which glass acquires when rubbed with silk , is called positive ; and that which resin acquires by friction DUALITY OF ELECTRICITY . 549 with flannel , negative . 548 INTRODUCTORY PHENOMENA .
Página 549
... called vitreous , and the latter resinous . On repeating the experiment with other substances , Fig . 334. Electric Pendulum . it is found that all electrified bodies behave either like the glass or like the resin . 559. Without making ...
... called vitreous , and the latter resinous . On repeating the experiment with other substances , Fig . 334. Electric Pendulum . it is found that all electrified bodies behave either like the glass or like the resin . 559. Without making ...
Página 550
... called the vitreous fluid , and negative electricity the resinous fluid . Fluids of like name repel , and those of unlike name attract each other . The union of equal quantities of the two fluids constitutes the neutral fluid which is ...
... called the vitreous fluid , and negative electricity the resinous fluid . Fluids of like name repel , and those of unlike name attract each other . The union of equal quantities of the two fluids constitutes the neutral fluid which is ...
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