## 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 57

2-8 The surface of a sphere of radius a is charged with a constant surface density

a. What is the

charge distribution on a point charge q located on the z axis for z >a and for z <a.

2-8 The surface of a sphere of radius a is charged with a constant surface density

a. What is the

**total charge**" Q' on the sphere? Find the force produced by thischarge distribution on a point charge q located on the z axis for z >a and for z <a.

Page 123

7-6 Find the energy of a length L of the coaxial cylinders of Figure 6-12 when

they are used as a capacitor with

your result to verify again the value (6-45) for C. 7-7 Find the

energy ...

7-6 Find the energy of a length L of the coaxial cylinders of Figure 6-12 when

they are used as a capacitor with

**charge**qt per unit length by using (7-8). Useyour result to verify again the value (6-45) for C. 7-7 Find the

**total**gravitationalenergy ...

Page 225

11-8 Using the spherical coordinate system of Figure 11-3, find <£ at all points

outside the sphere for the charge distribution of Figure 11-5. Show that your

result gives (11-36). Find E and the force on q. Find oj and show that the

11-8 Using the spherical coordinate system of Figure 11-3, find <£ at all points

outside the sphere for the charge distribution of Figure 11-5. Show that your

result gives (11-36). Find E and the force on q. Find oj and show that the

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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