## 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 122

This energy change corresponds to a

= —AU,/Ax= u,Aa. Since AF, is proportional to the area Aa, we can once again

introduce a

This energy change corresponds to a

**force**AF, on this area element given by AF,= —AU,/Ax= u,Aa. Since AF, is proportional to the area Aa, we can once again

introduce a

**force**per unit area j;=AF,/Aa, which again turns out to be equal to u, ...Page 245

The first indication of the connection between electricity and magnetism occurred

in 1819 when Oersted somewhat accidentally discovered that an electric current

could exert

The first indication of the connection between electricity and magnetism occurred

in 1819 when Oersted somewhat accidentally discovered that an electric current

could exert

**forces**on a magnetic compass needle. Ampere heard of Oersted's ...Page 575

Use the transformation laws for the

fields found in (28-137) to show that the

(E+VXB). 28-22 Show that the relativistic equation of motion (28-105) can be

written ...

Use the transformation laws for the

**force**found in Exercise 28-17 and for thefields found in (28-137) to show that the

**force**in S is exactly the Lorentz**force**i= q(E+VXB). 28-22 Show that the relativistic equation of motion (28-105) can be

written ...

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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