## 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 161

As we have remarked before, for our purposes, matter is to be regarded as a

collection of the positive and negative charges of its constituent nuclei and

electrons. We assume that an ordinary piece of matter is made up of atoms and

As we have remarked before, for our purposes, matter is to be regarded as a

collection of the positive and negative charges of its constituent nuclei and

electrons. We assume that an ordinary piece of matter is made up of atoms and

**molecules**...Page 594

Since the

use any convenient origin for our coordinate system, for example, one at the

center of mass; for a monatomic

location ...

Since the

**molecule**has no monopole moment, we know from (8-43) that we canuse any convenient origin for our coordinate system, for example, one at the

center of mass; for a monatomic

**molecule**, we could choose the origin at thelocation ...

Page 611

Now the variation in kz over the

the radius of the

satisfied even into the ultraviolet where one begins to need a quantum- ...

Now the variation in kz over the

**molecule**will be of the order of 2ira/\ where a isthe radius of the

**molecule**. We now assume that aŤ\; since aaslO-10 meter, this issatisfied even into the ultraviolet where one begins to need a quantum- ...

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angle assume axis becomes bound charge boundary conditions bounding surface calculate capacitance charge density charge distribution charge q circuit conductor consider const constant corresponding Coulomb's law cross section current density current element curve cylinder defined dielectric direction displacement distance electric field electromagnetic electrostatic energy equal equipotential evaluate example Exercise expression field point flux force free charge free currents frequency function given illustrated in Figure induction infinitely long integral integrand Laplace's equation line charge located Lorentz Lorentz transformation magnitude material Maxwell's equations molecule normal components obtained origin particle perpendicular plane wave point charge polarized position vector potential difference propagation properties quadrupole quantities radiation region relation result satisfy scalar potential shown in Figure situation solenoid spherical substitute surface current surface integral tangential components total charge unit vacuum vector potential velocity volume write written xy plane zero