Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Página 542
... Rotation of magnet under influence of current , 795. Magnetization by currents , 796 . Electro - magnets , 797 ... rotations , 830. Copper dampers and Faraday's cube , 831 . Electro - medical machines , 832. Lines of force involve no ...
... Rotation of magnet under influence of current , 795. Magnetization by currents , 796 . Electro - magnets , 797 ... rotations , 830. Copper dampers and Faraday's cube , 831 . Electro - medical machines , 832. Lines of force involve no ...
Página 560
... rotation through 441 ° was required . It will thus be perceived that at the distances of 36 ° , 18 ° , and 8 ° 5 , which may be practically considered as in the ratio of 1 , §1⁄2 , and , the forces of repulsion were equilibrated by ...
... rotation through 441 ° was required . It will thus be perceived that at the distances of 36 ° , 18 ° , and 8 ° 5 , which may be practically considered as in the ratio of 1 , §1⁄2 , and , the forces of repulsion were equilibrated by ...
Página 587
... rotation of the mirror ; but if it has a finite duration , the image will move from a ' to a " , while the mirror moves from ee ' to tť , the latter being its position when the spark ceases . What is actually seen in the mirror will ...
... rotation of the mirror ; but if it has a finite duration , the image will move from a ' to a " , while the mirror moves from ee ' to tť , the latter being its position when the spark ceases . What is actually seen in the mirror will ...
Página 596
... rotating part be inclosed in a well - insulating glass case , the rotation soon ceases , because , in these circumstances , the inclosed air quickly attains a state of permanent electrification . Fig . 376. - Electric Bucket . the ...
... rotating part be inclosed in a well - insulating glass case , the rotation soon ceases , because , in these circumstances , the inclosed air quickly attains a state of permanent electrification . Fig . 376. - Electric Bucket . the ...
Página 641
... rotating disc ( Fig . 406 ) divided into sectors alternately black and white . If viewed by daylight , the disc appears of a uniform gray ; and if lightning , occurring in the dark , renders the separate sectors visible , the duration ...
... rotating disc ( Fig . 406 ) divided into sectors alternately black and white . If viewed by daylight , the disc appears of a uniform gray ; and if lightning , occurring in the dark , renders the separate sectors visible , the duration ...
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