## 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 84

(It may happen, of course, that at a particular point or points on the surface, the

normal component E„ may also be

component that can be different from

' law (4-1) ...

(It may happen, of course, that at a particular point or points on the surface, the

normal component E„ may also be

**zero**, but, in any event, it is the onlycomponent that can be different from

**zero**at the surface.) Now let us apply Gauss' law (4-1) ...

Page 188

By comparing (11-68) and (11-71), we see that if /J is positive, the term varying

like ePy cannot appear because it does not vanish at infinity so that b^B) must be

By comparing (11-68) and (11-71), we see that if /J is positive, the term varying

like ePy cannot appear because it does not vanish at infinity so that b^B) must be

**zero**. On the other hand, if B is negative, b2(B) must be**zero**. In both cases, the ...Page 431

Therefore, we see from (26-1) that ET -» 0 as a -* oo for any value of f # 0, that is,

the electric field is

components of E are always continuous, according to (21-26), we see that Et = 0

...

Therefore, we see from (26-1) that ET -» 0 as a -* oo for any value of f # 0, that is,

the electric field is

**zero**at any point in a perfect conductor. Since the tangentialcomponents of E are always continuous, according to (21-26), we see that Et = 0

...

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angle assume axes axis becomes bound charge boundary conditions bounding surface calculate capacitance cavity charge density charge distribution charge q circuit conducting conductor const constant corresponding Coulomb's law current density curve cylinder dielectric dipole direction displacement distance divergence theorem electric field electromagnetic electrostatic energy equal equipotential evaluate example Exercise expression field point flux free charge function given illustrated in Figure induction infinitely long integral integrand Laplace's equation line charge located Lorentz transformation magnetic magnitude Maxwell's equations normal component obtained origin parallel plate capacitor particle perpendicular point charge polarized position vector potential difference quadrupole quantities rectangular coordinates region result satisfy scalar potential shown in Figure situation solenoid solution sphere of radius spherical surface charge surface charge density surface integral tangential components theorem total charge vacuum vector potential velocity volume write written xy plane zero