Elementary Treatise on Electricity and MagnetismLongmans, 1909 - 631 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 5
... expressed by calling one of the two electrical states , that assumed by the glass , positive , and the other , that assumed by the india - rubber , negative . Again , just as two quantities of opposite sign are said to be equal - when ...
... expressed by calling one of the two electrical states , that assumed by the glass , positive , and the other , that assumed by the india - rubber , negative . Again , just as two quantities of opposite sign are said to be equal - when ...
Página 15
... expressed by saying that the force due to a small element of surface of area ds , at a point distant r centimetres from it , is represented by ds.f ( r ) , where the symbol f ( r ) stands for the function of the distance by which the ...
... expressed by saying that the force due to a small element of surface of area ds , at a point distant r centimetres from it , is represented by ds.f ( r ) , where the symbol f ( r ) stands for the function of the distance by which the ...
Página 22
... expressed by writing for the density at a point p = dq / dv . In the same way , if a quantity q of electricity exists on a surface of area s , the average quantity per unit of area is σ = q / s , and the surface - density of the charge ...
... expressed by writing for the density at a point p = dq / dv . In the same way , if a quantity q of electricity exists on a surface of area s , the average quantity per unit of area is σ = q / s , and the surface - density of the charge ...
Página 24
... expressed in the other order of ideas , the electric distribution ) is mainly determined by the tension . On the other hand , if the boundaries of the field are very far apart , the effect of the transverse pressure becomes so great ...
... expressed in the other order of ideas , the electric distribution ) is mainly determined by the tension . On the other hand , if the boundaries of the field are very far apart , the effect of the transverse pressure becomes so great ...
Página 42
... expressed by saying that electricity passes from the first to the second . In special cases , however , it may happen that no electrical change is produced - that no electricity passes either way . We then say that the connected ...
... expressed by saying that electricity passes from the first to the second . In special cases , however , it may happen that no electrical change is produced - that no electricity passes either way . We then say that the connected ...
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Otras ediciones - Ver todas
Elementary Treatise on Electricity and Magnetism George Carey Foster,Edmund Atkinson Vista completa - 1896 |
Elementary Treatise on Electricity and Magnetism George Carey Foster,Edmund Atkinson Vista completa - 1896 |
Términos y frases comunes
action amperes axis ball battery boundary C₁ capacity cell centimetre centre charge Q circuit coating coefficient coil component condenser conducting connected consequently constant copper corresponding cylinder decrease deflection dielectric difference of potentials discharge distance effect electric field electric force electrified body electrodes electromagnetic electromotive force electroscope electrostatic electrostatic unit equal equation equilibrium equipotential surfaces experiment expressed flux formula galvanometer given glass heat Hence increase india-rubber induction inside insulated conductor inverse iron knob length Leyden jar lines of force liquid machine magnetic field magnetisation measured medium metal motion needle negative opposite direction parallel passes plane plate poles positive electricity produced proof-plane proportional quantity of electricity radius ratio represented resistance result right angles rotation self-induction spark sphere strength suppose surface-density temperature terminals tion traversed tube unit V₁ V₂ velocity volt wire zero zinc