## 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. |

### From inside the book

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Page 56

Find E for any point in the

point charges are located at the corners of a square in the

and locations are as follows: ^,(0,0); 2q,(0,a); 3<7,(a,0); -4q, (a, a). Find E at the ...

Find E for any point in the

**xy plane**. For what points, if any, will Ex = 0? 3-2 Fourpoint charges are located at the corners of a square in the

**xy plane**. Their valuesand locations are as follows: ^,(0,0); 2q,(0,a); 3<7,(a,0); -4q, (a, a). Find E at the ...

Page 224

The two currents of Exercise 13-3. distance p from it, crosses the x axis at y = z =

0, and makes the angle a with the

C due to /' of C is - ^0//'cotai. 13-4 Consider the two circuits shown in Figure 13-5.

The two currents of Exercise 13-3. distance p from it, crosses the x axis at y = z =

0, and makes the angle a with the

**xy plane**as shown. Show that the force on / ofC due to /' of C is - ^0//'cotai. 13-4 Consider the two circuits shown in Figure 13-5.

Page 234

14-4 A square of edge a lies in the

value of the magnetic induction at any point on the z axis when a current /'

circulates around the square. Show that your result gives the value 2\^fi0/'/wa for

the ...

14-4 A square of edge a lies in the

**xy plane**with the origin at its center. Find thevalue of the magnetic induction at any point on the z axis when a current /'

circulates around the square. Show that your result gives the value 2\^fi0/'/wa for

the ...

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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