## 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 212

A steady current means, according to (12-3), a constant

acceleration, that is, a zero net force. Therefore, the electrical force, which is in

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 zeroacceleration, that is, a zero net force. Therefore, the electrical force, which is in

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

...

Page 402

As an example, consider two plane waves i^, and \p2 tnat are each °& me form (

24-19) with the same values of k and <o, that is, they are traveling in the same

direction with the same

As an example, consider two plane waves i^, and \p2 tnat are each °& me form (

24-19) with the same values of k and <o, that is, they are traveling in the same

direction with the same

**velocity**. Suppose, however, that they have different ...Page 541

We can now find p from (A-49) and (A-51): 1 dvx v • = — — = - ( v0x - vD) sin uct (

A-52) ' uc at Before we go on to find the coordinates, we can verify that these

results for the

We can now find p from (A-49) and (A-51): 1 dvx v • = — — = - ( v0x - vD) sin uct (

A-52) ' uc at Before we go on to find the coordinates, we can verify that these

results for the

**velocity**components are consistent with our previous ones.### What people are saying - Write a review

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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