Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 43
Página 569
... axis ; and the densities at these points are simply proportional to the axes themselves.1 3. Flat Disc ( Fig . 348 ) . The density is almost inappreciable over the whole of both faces , except close to the edges , where it increases ...
... axis ; and the densities at these points are simply proportional to the axes themselves.1 3. Flat Disc ( Fig . 348 ) . The density is almost inappreciable over the whole of both faces , except close to the edges , where it increases ...
Página 573
... axis by one person , while another held his hands upon the ball , thus causing the friction necessary for the production of electricity . The result was that the globe was negatively electrified , and the positive electricity escaped ...
... axis by one person , while another held his hands upon the ball , thus causing the friction necessary for the production of electricity . The result was that the globe was negatively electrified , and the positive electricity escaped ...
Página 575
... axis supported by two wooden uprights . On each side of the plate , at the upper and lower parts of the uprights , are two cushions , which act as rubbers when the plate is turned . In front of the plate are two metallic conductors ...
... axis supported by two wooden uprights . On each side of the plate , at the upper and lower parts of the uprights , are two cushions , which act as rubbers when the plate is turned . In front of the plate are two metallic conductors ...
Página 587
... axis passing through c , and suppose that , during the rota- tion , an electric spark is produced at a . An eye stationed at o will see an image in the sym- metrical position a ' . If the spark is strictly instantaneous , its im- age ...
... axis passing through c , and suppose that , during the rota- tion , an electric spark is produced at a . An eye stationed at o will see an image in the sym- metrical position a ' . If the spark is strictly instantaneous , its im- age ...
Página 630
... axis there is a metallic rod terminating in a point which just touches the pane . Another pointed rod exactly over this , and insulated from it , is lowered until it touches the upper face of the pane . A powerful spark from a Leyden ...
... axis there is a metallic rod terminating in a point which just touches the pane . Another pointed rod exactly over this , and insulated from it , is lowered until it touches the upper face of the pane . A powerful spark from a Leyden ...
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