Principles of Electricity and Electromagnetism |
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Page 289
... curl r ( d ) – curl di r However , dl is independent of the coordinates of the point at which B is measured , so the last term is zero ; hence B = μολ Hot Scurt ( d ) But since the differentiation involved in the curl and the ...
... curl r ( d ) – curl di r However , dl is independent of the coordinates of the point at which B is measured , so the last term is zero ; hence B = μολ Hot Scurt ( d ) But since the differentiation involved in the curl and the ...
Page 314
... curl of Eq . ( 10.3 ) curl curl σE = -curl B at We have also the general vector equation curl curl i , = grad div i - v2 , And it will be recalled that i , = E. Assuming for the moment that there is no accumulation of charge so that div ...
... curl of Eq . ( 10.3 ) curl curl σE = -curl B at We have also the general vector equation curl curl i , = grad div i - v2 , And it will be recalled that i , = E. Assuming for the moment that there is no accumulation of charge so that div ...
Page 533
... curl H = at ав curl E = at Since in free space B = MOH and D = ( 2.21 ) ( 16.1 ) ( 9.14 ) ( 16.2 ) ( 10.7 ) ( 16.3 ) ( 10.3 ) ( 16.4 ) one obtains , with the aid of Eq . ( 16.3 ) a KOE , on taking the curl of Eq . ( 16.4 ) curl curl E ...
... curl H = at ав curl E = at Since in free space B = MOH and D = ( 2.21 ) ( 16.1 ) ( 9.14 ) ( 16.2 ) ( 10.7 ) ( 16.3 ) ( 10.3 ) ( 16.4 ) one obtains , with the aid of Eq . ( 16.3 ) a KOE , on taking the curl of Eq . ( 16.4 ) curl curl E ...
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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero