Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Página 540
... earth's surface . This is induced by electricity over- head , 655. Results of observation ; Automatic records at Kew ; Eye observations at Windsor , Nova Scotia ; Brussels ; Kreuznach , 656 , 657. Conjectures regarding the sources of ...
... earth's surface . This is induced by electricity over- head , 655. Results of observation ; Automatic records at Kew ; Eye observations at Windsor , Nova Scotia ; Brussels ; Kreuznach , 656 , 657. Conjectures regarding the sources of ...
Página 541
... earth as a magnet ; Biot's hypothesis , 685 . Changes of declination and dip , 686. Magnetic storms , 687. Ship's compass , 688 . Methods of magnetization ; Consequent points ; Lifting power , 689. Molecular changes accompanying ...
... earth as a magnet ; Biot's hypothesis , 685 . Changes of declination and dip , 686. Magnetic storms , 687. Ship's compass , 688 . Methods of magnetization ; Consequent points ; Lifting power , 689. Molecular changes accompanying ...
Página 542
... earth on currents , 789. Solenoids , 790. Dip of solenoid , 791. Solenoids behave like magnets , 792. Astatic circuits , 793. Ampère's theory of magnetism , 794 . Rotation of magnet under influence of current , 795. Magnetization by ...
... earth on currents , 789. Solenoids , 790. Dip of solenoid , 791. Solenoids behave like magnets , 792. Astatic circuits , 793. Ampère's theory of magnetism , 794 . Rotation of magnet under influence of current , 795. Magnetization by ...
Página 547
... earth and stones . Leather . Baked wood . Porcelain . Shellac . Gems . Amber . Ebonite . Resins . Caoutchouc ... earth , which , together with most of the objects on its surface , may be regarded as constituting one enormous conductor ...
... earth and stones . Leather . Baked wood . Porcelain . Shellac . Gems . Amber . Ebonite . Resins . Caoutchouc ... earth , which , together with most of the objects on its surface , may be regarded as constituting one enormous conductor ...
Página 548
... earth . Air , when thoroughly dry , is an excellent insulator ; and electrified conductors exposed to it , and otherwise insulated , retain their charge with very little diminution for a considerable time . Dampness in the air is ...
... earth . Air , when thoroughly dry , is an excellent insulator ; and electrified conductors exposed to it , and otherwise insulated , retain their charge with very little diminution for a considerable time . Dampness in the air 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