Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
Resultados 1-5 de 89
Página 7
... distance from all other objects as compared with their distance from each other . The boundaries of the field are the surfaces of the electrified bodies ; but as these are entirely external to each other , they do not enclose any $ 7.1 ...
... distance from all other objects as compared with their distance from each other . The boundaries of the field are the surfaces of the electrified bodies ; but as these are entirely external to each other , they do not enclose any $ 7.1 ...
Página 8
... distance , electrical effects can no longer be detected ; but this distance depends essentially on the means of detection employed , and as these are rendered more and more sensitive the apparent extent of the electric field becomes ...
... distance , electrical effects can no longer be detected ; but this distance depends essentially on the means of detection employed , and as these are rendered more and more sensitive the apparent extent of the electric field becomes ...
Página 9
... distance traversed into the average electric force exerted . When C arrives at B , there will be mutual ... Distance - Law of Inverse Squares . The most superficial experiments suffice to show that the force between two electrified ...
... distance traversed into the average electric force exerted . When C arrives at B , there will be mutual ... Distance - Law of Inverse Squares . The most superficial experiments suffice to show that the force between two electrified ...
Página 10
... distance of a . Let a be the angular distance between the balls when the top of the wire has been turned through the angle A ; then the total twist on the wire is A + a , and the moment of torsion , proportional to the angle of twist ...
... distance of a . Let a be the angular distance between the balls when the top of the wire has been turned through the angle A ; then the total twist on the wire is A + a , and the moment of torsion , proportional to the angle of twist ...
Página 11
... distance between them.1 Since , as we have seen , the angle of twist A + a measures the electric force between the balls , and the distance between them is proportional to a , this result shows that the electric force is ob- tained by ...
... distance between them.1 Since , as we have seen , the angle of twist A + a measures the electric force between the balls , and the distance between them is proportional to a , this result shows that the electric force is ob- tained by ...
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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.