Electromagnetics: A Discussion of FundamentalsLongmans, Green and Company, 1938 - 884 من الصفحات |
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الصفحة 106
... arising from the action of ds ' : d2Fx where = - JJ'dsds ' [ R cos ( rx ) + S cos ( xds ) + S ' cos ( xds ' ) ] , 1 R ar ər r2 as as ' J2r a2Q -- 2r + r Əsas ' მამ s ' ' = да + aQ S ' as " as S This is obtained as follows . The extra ...
... arising from the action of ds ' : d2Fx where = - JJ'dsds ' [ R cos ( rx ) + S cos ( xds ) + S ' cos ( xds ' ) ] , 1 R ar ər r2 as as ' J2r a2Q -- 2r + r Əsas ' მამ s ' ' = да + aQ S ' as " as S This is obtained as follows . The extra ...
الصفحة 183
... arising from the mutual action of contiguous elements , and that waves , con- sisting of transverse electric currents , may be propagated , with a velocity comparable to that of light , in a non - conducting medium . These conclusions ...
... arising from the mutual action of contiguous elements , and that waves , con- sisting of transverse electric currents , may be propagated , with a velocity comparable to that of light , in a non - conducting medium . These conclusions ...
الصفحة 320
... arising out of the work . Now ( Fig . 31b ) if 0 is the angle made by the absolute direction , COS - ( 1 ―― - α cos 0 ) [ 1 + x2 2x cos 0 ] - * , cos 0 = a sin2 + ( 1 a2 sin2 ) + cos ❤ . It is known that - p = J / c . cos 0 , for this ...
... arising out of the work . Now ( Fig . 31b ) if 0 is the angle made by the absolute direction , COS - ( 1 ―― - α cos 0 ) [ 1 + x2 2x cos 0 ] - * , cos 0 = a sin2 + ( 1 a2 sin2 ) + cos ❤ . It is known that - p = J / c . cos 0 , for this ...
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A₁ accepted action aether Ampère's apply assume assumption circuit conductor constant cos² Coulomb's law curl curl H d/dt deduced dielectric displacement div q doublet Duhem Einstein elastic electric charge electrodynamic electromagnetic mass electron theory electrostatic element energy experiments expression F₁ F₂ finite force force-formula formula given Green's theorem H₁ Helmholtz Hence hypothesis induction integral J. J. Thomson Liénard Lorentz magnetic field magnetisation mass mathematical Max Abraham Maxwell Maxwell's equations Maxwell's theory medium momentum motion moving observer obtain P₁ particles phenomena physical physicists point-charges polarisation Poynting's theorem proof propagated proved quantity radiation regarded relative relativists result retarded potentials says sin² space supposed surface surface-integral term text-books theory of relativity tion unit v²/c² vector potential velocity Voigt's transformation waves zero дх