## 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 107

We found in (7-35) that Ue can be written as the product of the energy density ue

and the volume Ax between the plates so that Ue = ueAx; putting this into (7-47),

we find that Fr=-ueA (7-48) Since the total

We found in (7-35) that Ue can be written as the product of the energy density ue

and the volume Ax between the plates so that Ue = ueAx; putting this into (7-47),

we find that Fr=-ueA (7-48) Since the total

**force**is proportional to the area, it is ...Page 212

A steady current means, according to (12-3), a constant velocity and hence zero

acceleration, that is, a zero net

the direction of motion of the charges, must be balanced, at least on the average,

...

A steady current means, according to (12-3), a constant velocity and hence zero

acceleration, that is, a zero net

**force**. Therefore, the electrical**force**, which is inthe direction of motion of the charges, must be balanced, at least on the average,

...

Page 217

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 ...### What people are saying - Write a review

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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