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 393
... assume a vacuum between the plates , and , as usual , we also assume that the separation between the plates is so small compared with the radius that the electric field E can be taken to be uniform and confined entirely to the region ...
... assume a vacuum between the plates , and , as usual , we also assume that the separation between the plates is so small compared with the radius that the electric field E can be taken to be uniform and confined entirely to the region ...
Page 528
... assumed that r > λ . We shall now also assume that the total length 21 << r so that z ' | <<< r . Under these conditions , we can approximate r ' by 4 r'r - z'cos 0 ( 27-94 ) The amplitude of dE ~ 1 / r ' and we will not make much error ...
... assumed that r > λ . We shall now also assume that the total length 21 << r so that z ' | <<< r . Under these conditions , we can approximate r ' by 4 r'r - z'cos 0 ( 27-94 ) The amplitude of dE ~ 1 / r ' and we will not make much error ...
Page 595
... assume that the electron charge distribution is not only spherically symmetric but uniform throughout a sphere of radius a . We further assume that the effect of the field E , is to shift the negative charge distribution rigidly with ...
... assume that the electron charge distribution is not only spherically symmetric but uniform throughout a sphere of radius a . We further assume that the effect of the field E , is to shift the negative charge distribution rigidly with ...
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Ampère's law angle assume axis becomes bound charge boundary conditions bounding surface calculate capacitance capacitor charge density charge distribution charge q circuit conductor consider constant coordinates corresponding Coulomb's law current density curve cylinder defined dielectric dipole direction displacement distance E₁ electric field electromagnetic electrostatic energy equal evaluate example Exercise expression field point flux force free charge free currents frequency function given induction infinitely long integral integrand k₂ Laplace's equation located Lorentz transformation magnetic magnitude material Maxwell's equations normal components obtained origin parallel particle perpendicular plane wave plates point charge polarized position vector potential difference quadrupole quantities radiation radius rectangular region result satisfy scalar scalar potential shown in Figure solenoid sphere spherical tangential components unit vacuum vector potential velocity volume write written xy plane zero Απερ дх Мо