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 46
... distance between them was made by Coulomb in 1785 and the result is known as Coulomb's law . 2-1 Point Charges We ... distance R from q1 , and measuring the resultant force F , on q ; this is illustrated in Figure 2-1a . Then q , is ...
... distance between them was made by Coulomb in 1785 and the result is known as Coulomb's law . 2-1 Point Charges We ... distance R from q1 , and measuring the resultant force F , on q ; this is illustrated in Figure 2-1a . Then q , is ...
Page 261
... distance zo from one end . If n = N / L is the number of turns per unit length , then there will be dN = n dz 。 circular rings in this small portion , each approximately the same distance z = zpzo from the field point P. Hence , from ...
... distance zo from one end . If n = N / L is the number of turns per unit length , then there will be dN = n dz 。 circular rings in this small portion , each approximately the same distance z = zpzo from the field point P. Hence , from ...
Page 570
... distance from the charge but that , at a given distance , its magnitude depends strongly on direction , in contrast to the simple Coulomb field . In order to illustrate the dependence of the magnitude upon direction , let us first ...
... distance from the charge but that , at a given distance , its magnitude depends strongly on direction , in contrast to the simple Coulomb field . In order to illustrate the dependence of the magnitude upon direction , let us first ...
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Common terms and phrases
Ampère's law angle assume axis becomes bound charge boundary conditions bounding surface calculate capacitance capacitor charge density charge distribution charge q circuit conductor consider constant coordinates corresponding Coulomb's law current density curve cylinder defined dielectric dipole direction displacement distance E₁ electric field electromagnetic electrostatic energy equal evaluate example Exercise expression field point flux force free charge free currents frequency function given induction infinitely long integral integrand k₂ Laplace's equation located Lorentz transformation magnetic magnitude material Maxwell's equations normal components obtained origin parallel particle perpendicular plane wave plates point charge polarized position vector potential difference quadrupole quantities radiation radius rectangular region result satisfy scalar scalar potential shown in Figure solenoid sphere spherical tangential components unit vacuum vector potential velocity volume write written xy plane zero Απερ дх Мо