Electromagnetic FieldsThis revised edition provides patient guidance in its clear and organized presentation of problems. It is rich in variety, large in number and provides very careful treatment of relativity. One outstanding feature is the inclusion of simple, standard examples demonstrated in different methods that will allow students to enhance and understand their calculating abilities. There are over 145 worked examples; virtually all of the standard problems are included. |
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Page 231
... surface or a closed surface . If , for some reason , the moving charges can be thought of as being constrained to flow on a surface , we can define a surface current density K. Its direction is that of the direction of flow of charge ...
... surface or a closed surface . If , for some reason , the moving charges can be thought of as being constrained to flow on a surface , we can define a surface current density K. Its direction is that of the direction of flow of charge ...
Page 354
... surface current density K , on the bounding surface where m J = V'XM Km = MXÔ ' ( 20-7 ) ( 20-8 ) A ( r ) = Na Sv . Мо 4π Jm ( r ) dr ' Мо Km ( r ' ) da ' + ( 20-9 ) R 4π JS ' R for then we would have as we would expect . What we have ...
... surface current density K , on the bounding surface where m J = V'XM Km = MXÔ ' ( 20-7 ) ( 20-8 ) A ( r ) = Na Sv . Мо 4π Jm ( r ) dr ' Мо Km ( r ' ) da ' + ( 20-9 ) R 4π JS ' R for then we would have as we would expect . What we have ...
Page 355
... surface currents for a uniform magnetization . that is , circulating in the same sense as shown in an end - on view ... current due to one whirl in one direction is canceled by the oppositely directed currents in adjacent whirls . Thus , in ...
... surface currents for a uniform magnetization . that is , circulating in the same sense as shown in an end - on view ... current due to one whirl in one direction is canceled by the oppositely directed currents in adjacent whirls . Thus , in ...
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Common terms and phrases
Ampère's law angle assume axis bound charge boundary conditions bounding surface calculate capacitance cavity charge density charge distribution charge q circuit conductor consider constant coordinates corresponding Coulomb's law current density cylinder defined dielectric dipole direction displacement distance E₁ electric field electromagnetic electrostatic energy equal equipotential evaluate example Exercise expression field point flux force free charge function given incident induction infinitely long integral integrand k₁ Laplace's equation located Lorentz transformation magnetic magnitude material Maxwell's equations medium molecule n₂ normal components obtained origin parallel plate capacitor particle perpendicular plane wave point charge polarized position vector potential difference quantities radiation rectangular refraction region result satisfy scalar scalar potential shown in Figure solenoid spherical surface charge density tangential components total charge vacuum vector potential velocity volume write written xy plane Z₂ zero Απερ дх