## 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 19

Roald K. Wangsness. Figure 1-26. Determination of the components of a vector

area element. given, in rectangular coordinates, by the product of the

as written, ...

Roald K. Wangsness. Figure 1-26. Determination of the components of a vector

area element. given, in rectangular coordinates, by the product of the

**corresponding**differentials. Since we always treat these differentials as positiveas written, ...

Page 325

Thus we can call pm the volume density of magnetic charges ("poles") and om

the surface density of magnetic charges ("poles") and regard them as the source

of trie magnetic field H and they will play the same role as did the

...

Thus we can call pm the volume density of magnetic charges ("poles") and om

the surface density of magnetic charges ("poles") and regard them as the source

of trie magnetic field H and they will play the same role as did the

**corresponding**...

Page 427

Inserting this into (25-99), we find that the

pressure is 8.9 X 10 ~6 newtons/( meter)2 = 8.8 X 10"11 atmospheres. In spite of

its very small value, the radiation pressure was measured for light and (25-99)

thus ...

Inserting this into (25-99), we find that the

**corresponding**maximum radiationpressure is 8.9 X 10 ~6 newtons/( meter)2 = 8.8 X 10"11 atmospheres. In spite of

its very small value, the radiation pressure was measured for light and (25-99)

thus ...

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