Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
Resultados 1-5 de 79
Página 5
... Suppose a piece of glass and a piece of vulcanised india - rubber to have been electrified by being rubbed together , and then that a second piece of each material is treated in the same way . As already stated , the two pieces of glass ...
... Suppose a piece of glass and a piece of vulcanised india - rubber to have been electrified by being rubbed together , and then that a second piece of each material is treated in the same way . As already stated , the two pieces of glass ...
Página 9
... suppose positively electrified , it will become electrified , and will then be urged to B by the electric forces of the field , an amount of work being done equal to the product of the distance traversed into the average electric force ...
... suppose positively electrified , it will become electrified , and will then be urged to B by the electric forces of the field , an amount of work being done equal to the product of the distance traversed into the average electric force ...
Página 23
... suppose AB and A'B ' ( Fig . 15 ) to be two small areas intercepted at the surface of the sphere by a cone of infini- tesimal solid angle , dw , and with vertex at P. If σ is the surface- density of the charge , the forces at P due $ 19 ...
... suppose AB and A'B ' ( Fig . 15 ) to be two small areas intercepted at the surface of the sphere by a cone of infini- tesimal solid angle , dw , and with vertex at P. If σ is the surface- density of the charge , the forces at P due $ 19 ...
Página 34
... suppose to be positively electrified , it will interrupt more and more lines of force - that is , its induced charges will become greater . When it gets very near to A , the parts of the lines of force extend- ing between A and it ...
... suppose to be positively electrified , it will interrupt more and more lines of force - that is , its induced charges will become greater . When it gets very near to A , the parts of the lines of force extend- ing between A and it ...
Página 40
... Suppose the in- strument , as usual , to be standing on the table , and that an electrified body is held over it at a distance of several inches , or even a foot or two . An electric field extends between the electrified body and the ...
... Suppose the in- strument , as usual , to be standing on the table , and that an electrified body is held over it at a distance of several inches , or even a foot or two . An electric field extends between the electrified body and the ...
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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.