Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
Resultados 1-5 de 79
Página 4
... become covered with a conducting film of moisture deposited from the atmosphere . This can sometimes be prevented by keeping it slightly warm , -not hot , as it then conducts appreciably , or by coating the surface with shellac ...
... become covered with a conducting film of moisture deposited from the atmosphere . This can sometimes be prevented by keeping it slightly warm , -not hot , as it then conducts appreciably , or by coating the surface with shellac ...
Página 6
... , so that each one becomes positive when rubbed against one of those that follow it in the series , and negative when rubbed against one of those that precede it . For example , the substances in the 6 [ § 6 . Fundamental Phenomena .
... , so that each one becomes positive when rubbed against one of those that follow it in the series , and negative when rubbed against one of those that precede it . For example , the substances in the 6 [ § 6 . Fundamental Phenomena .
Página 8
... becomes greater and greater . If , on the other hand , one of the bounding surfaces entirely encloses the other , the electric field is definitely limited to the space between them . For example , a case that frequently occurs is when ...
... becomes greater and greater . If , on the other hand , one of the bounding surfaces entirely encloses the other , the electric field is definitely limited to the space between them . For example , a case that frequently occurs is when ...
Página 9
... become electrified , and will then be urged to B by the electric forces of the field , an amount of work being done equal ... becomes less when the distance between them is increased . The law connecting force and distance was discovered ...
... become electrified , and will then be urged to B by the electric forces of the field , an amount of work being done equal ... becomes less when the distance between them is increased . The law connecting force and distance was discovered ...
Página 12
... become 2 , 3 , 4 · times as great . And if two equal balls placed successively in the same position relatively to a third electrified ball , all other conditions remaining the same , exert the same force , we say that they have equal ...
... become 2 , 3 , 4 · times as great . And if two equal balls placed successively in the same position relatively to a third electrified ball , all other conditions remaining the same , exert the same force , we say that they have equal ...
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Otras ediciones - Ver todas
Elementary Treatise on Electricity and Magnetism George Carey Foster,Alfred William Porter Vista completa - 1909 |
Elementary Treatise on Electricity and Magnetism George Carey Foster,Edmund Atkinson Vista completa - 1896 |
Términos y frases comunes
acid action ampere angle axis ball battery boundary capacity cell centre charge chemical circuit coating coefficient condenser conducting connected consequently constant copper corresponding coulomb cylinder density dielectric difference of potentials discharge distance effect elec electric field electric force electrified body electrodes electromotive force electroscope element energy equal equation equilibrium equipotential surface experiment expressed external flux formula given glass Hence india-rubber induction inside insulated conductor intensity iron Joule's law joules junction knob Leyden jar lines of force machine magnetic magnetisation measured metal needle negative number of lines opposite direction outer surface parallel passes Peltier effect perpendicular plane plate pole positive electricity produced proportional quantity of electricity quantity of heat represented resistance result solid angle spark sphere strength suppose surface-density T₁ temperature terminals thermo-electric traversed tubes of force unit V₁ V₂ volt wire zinc
Pasajes populares
Página 458 - As a unit of resistance, the international Ohm. which is based upon the ohm equal to 109 units of resistance of the CGS system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grammes in mass, of a constant cross-sectional area, and of a length of 106.3 centimetres.