Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
Resultados 1-5 de 85
Página 1
... plate of glass and a plate of vulcanised india - rubber , both thoroughly dry , are laid on each other and rubbed together , it is found that some force is required to separate them , and that , after having been separated , they ...
... plate of glass and a plate of vulcanised india - rubber , both thoroughly dry , are laid on each other and rubbed together , it is found that some force is required to separate them , and that , after having been separated , they ...
Página 17
... plate . The bell - jar is closed below by a piece of wood , covered at least on the upper side with tin- foil and uninsulated . Two verti- cal uninsulated strips of tin - foil , or else two metal rods , are carried up inside the bell ...
... plate . The bell - jar is closed below by a piece of wood , covered at least on the upper side with tin- foil and uninsulated . Two verti- cal uninsulated strips of tin - foil , or else two metal rods , are carried up inside the bell ...
Página 27
... plate , the stress in the field close to the point may be sufficient to cause disruptive discharge although at other parts of the field the stress may be far less . On this account the arrange- ment mentioned is often used in the ...
... plate , the stress in the field close to the point may be sufficient to cause disruptive discharge although at other parts of the field the stress may be far less . On this account the arrange- ment mentioned is often used in the ...
Página 28
... plate with the two sides of an electric machine , the electric field FIG . 18 . between them is constantly reproduced , and discharge takes place continuously . The air close to the point having given way , the stress in the air farther ...
... plate with the two sides of an electric machine , the electric field FIG . 18 . between them is constantly reproduced , and discharge takes place continuously . The air close to the point having given way , the stress in the air farther ...
Página 41
... plate of resin or ebonite ( called the cake ) , resting on a metal plate ( the sole ) , and of a second metal plate ( the cover ) , $ 29. ] 4I The Electrophorus .
... plate of resin or ebonite ( called the cake ) , resting on a metal plate ( the sole ) , and of a second metal plate ( the cover ) , $ 29. ] 4I The Electrophorus .
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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.