Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 21
Page 289
... curl ― curl dl r However , dl is independent of the coordinates of the point at which B is measured , so the last term is zero ; hence μου B = Hoi Scurl curl ( ) But since the differentiation involved in the curl and the integration ...
... curl ― curl dl r However , dl is independent of the coordinates of the point at which B is measured , so the last term is zero ; hence μου B = Hoi Scurl curl ( ) But since the differentiation involved in the curl and the integration ...
Page 314
... curl of Eq . ( 10.3 ) a curl curl E = curl B at We have also the general vector equation curl curl i , = grad div i , - And it will be recalled that i , = E. Assuming for the moment that there is no accumulation of charge so that div i ...
... curl of Eq . ( 10.3 ) a curl curl E = curl B at We have also the general vector equation curl curl i , = grad div i , - And it will be recalled that i , = E. Assuming for the moment that there is no accumulation of charge so that div i ...
Page 596
... curl v . It may be expressed in terms of its components by writing out the vectors and v and performing the indicated multiplication with the vector - product conventions given by Eq . ( D.5 ) . curl v = ▽ XV = a a i- + j + k × ( ivx + ...
... curl v . It may be expressed in terms of its components by writing out the vectors and v and performing the indicated multiplication with the vector - product conventions given by Eq . ( D.5 ) . curl v = ▽ XV = a a i- + j + k × ( ivx + ...
Other editions - View all
Common terms and phrases
alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero