## 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 115

(8-27) called the components of the

E ff,(3Ji*i - r,2*,*) | (y, A: = x, * *) (8-26) i-i -> In this expression, j and A: can

independently be x, y, or z\ the symbol S-A is the Kronecker delta symbol defined

by 1 ...

(8-27) called the components of the

**quadrupole**moment tensor as follows: Qjk =E ff,(3Ji*i - r,2*,*) | (y, A: = x, * *) (8-26) i-i -> In this expression, j and A: can

independently be x, y, or z\ the symbol S-A is the Kronecker delta symbol defined

by 1 ...

Page 116

We see from (8-26) or (8-28) that Qvx = Qxy, and so on; that is, Qkj-Qjk U + k) (8-

34) Thus, the

and (8-34) reduces the number of independent components to six. If we now sum

...

We see from (8-26) or (8-28) that Qvx = Qxy, and so on; that is, Qkj-Qjk U + k) (8-

34) Thus, the

**quadrupole**moment tensor is an example of a symmetric tensor,and (8-34) reduces the number of independent components to six. If we now sum

...

Page 493

28-10 Find E and B in the near zone for the linear electric

compare your result with (8-55). 28-11 Show that the radiation fields of a slowly

moving point charge can be written in terms of the retarded value [a] of the

acceleration ...

28-10 Find E and B in the near zone for the linear electric

**quadrupole**andcompare your result with (8-55). 28-11 Show that the radiation fields of a slowly

moving point charge can be written in terms of the retarded value [a] of the

acceleration ...

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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