## 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

In (12-6), S can be either an open surface or a closed surface. lf, for some reason,

the moving charges can be thought of as being constrained to flow on a surface,

we can define a

In (12-6), S can be either an open surface or a closed surface. lf, 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 ...Page 354

Upon comparing this with (16-12) and (16-13), we see that this is exactly the

vector potential that would be produced by a volume current density J,"

distributed throughout the volume and a

bounding surface ...

Upon comparing this with (16-12) and (16-13), we see that this is exactly the

vector potential that would be produced by a volume current density J,"

distributed throughout the volume and a

**surface current**density Km on thebounding surface ...

Page 355

Thus, in the interior of a uniformly magnetized material, the magnetization

is zero in agreement with (20-7). However, at the

Thus, in the interior of a uniformly magnetized material, the magnetization

**current**is zero in agreement with (20-7). However, at the

**surface**there are no adjacent**currents**to produce a cancellation, and, since the**currents**in the whirls are all ...### What people are saying - Write a review

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amplitude angle assume axes axis becomes bound charge boundary conditions bounding surface calculate capacitor charge density charge distribution charge q circuit conductor consider constant coordinates corresponding Coulomb’s law cross section current density current element cylinder defined dielectric displacement distance electric field electromagnetic electrostatic energy equal evaluate example Exercise expression field point Flgure flux force free currents frequency function Galilean transformation given incident induction infinitely long integral integrand length located loop Lorentz Lorentz transformation magnetic dipole magnitude material Maxwell’s equations medium normal components obtained origin parallel particle perpendicular plane wave plates point charge polarized position vector produced quadrupole quantities radiation radius rectangular reﬂected region relation result rotation satisfy scalar potential shown in Figure solenoid sphere substitute surface charge surface current tangential components transformation unit vacuum vector potential velocity volume write written xy plane zero