Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
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Página 540
... Heating of metallic threads , 634. Electric portrait , 635. Velocity of electricity ; Watson's experiment ; Wheat- stone's determination ; Trials with Atlantic cable , 636. Unit - jars of Lane and Harris , 637. Puncture of card and of ...
... Heating of metallic threads , 634. Electric portrait , 635. Velocity of electricity ; Watson's experiment ; Wheat- stone's determination ; Trials with Atlantic cable , 636. Unit - jars of Lane and Harris , 637. Puncture of card and of ...
Página 541
... HEAT . Heating of wires , 763. Joule's law , 764. Relation of heat in circuit to chemical action in battery , 765. Distribution of heat in circuit , 766. Mechanical work done by current , 767. Thermo - electric currents , 768 , 769 ...
... HEAT . Heating of wires , 763. Joule's law , 764. Relation of heat in circuit to chemical action in battery , 765. Distribution of heat in circuit , 766. Mechanical work done by current , 767. Thermo - electric currents , 768 , 769 ...
Página 544
... heat , in gravitation units of energy , 772 for the foot and Fahrenheit degree . 1390 for the foot and Centigrade degree . 424 for the metre and Centigrade degree . is- 42400 for the centimetre and Centigrade degree . In absolute units ...
... heat , in gravitation units of energy , 772 for the foot and Fahrenheit degree . 1390 for the foot and Centigrade degree . 424 for the metre and Centigrade degree . is- 42400 for the centimetre and Centigrade degree . In absolute units ...
Página 548
... heat the air in the neighbourhood of the supports , and thus diminish its relative humidity . Sir W. Snow Harris employed heating - irons , which were heated in a fire , and then fixed near the insulating sup- ports ; and thus succeeded ...
... heat the air in the neighbourhood of the supports , and thus diminish its relative humidity . Sir W. Snow Harris employed heating - irons , which were heated in a fire , and then fixed near the insulating sup- ports ; and thus succeeded ...
Página 594
... Heating may also occur in the case of conductors . This is shown by the influence of the metal upon the colour of the spark , and it may be more directly proved by arranging a conductor in communication with the earth , and connected by ...
... Heating may also occur in the case of conductors . This is shown by the influence of the metal upon the colour of the spark , and it may be more directly proved by arranging a conductor in communication with the earth , and connected by ...
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