Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
Resultados 1-5 de 26
Página xvi
... Spark on breaking circuit . 313. Quantity of the extra current . 314. Energy of the extra current . 315. Self - induction in parallel cir- cuits . 316. Induction in conductors which are not linear . 317 . Damping the vibrations of ...
... Spark on breaking circuit . 313. Quantity of the extra current . 314. Energy of the extra current . 315. Self - induction in parallel cir- cuits . 316. Induction in conductors which are not linear . 317 . Damping the vibrations of ...
Página 44
... spark - are evidences of electric force . Hence it follows , from what we have just said , that if all the objects about us are at the same potential , they will not exhibit any electrical phenomena , for , being at the same potential ...
... spark - are evidences of electric force . Hence it follows , from what we have just said , that if all the objects about us are at the same potential , they will not exhibit any electrical phenomena , for , being at the same potential ...
Página 80
... spark passes before the knobs come quite into contact , and the jar is afterwards found to be discharged . In this case the whole process occupies only a very small fraction of a second , but it is , nevertheless , a some- what ...
... spark passes before the knobs come quite into contact , and the jar is afterwards found to be discharged . In this case the whole process occupies only a very small fraction of a second , but it is , nevertheless , a some- what ...
Página 92
... spark is always produced . The experiment may be made in such a manner that this spark absorbs either the greater part of the available energy , or , on the contrary , only a very small portion . In the latter case the work of the ...
... spark is always produced . The experiment may be made in such a manner that this spark absorbs either the greater part of the available energy , or , on the contrary , only a very small portion . In the latter case the work of the ...
Página 97
... spark from travelling over the surface of the glass plate . This should be well warmed , and a drop of oil placed round the upper point . With powerful batteries glass plates of some centimetres in thick- ness may be perforated ; in ...
... spark from travelling over the surface of the glass plate . This should be well warmed , and a drop of oil placed round the upper point . With powerful batteries glass plates of some centimetres in thick- ness may be perforated ; in ...
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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.