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 124
... energy of q , can be written as the sum Vei = 9 ; 45 ( r ; ) + 9 ; 40 ( r ; ) ( 8-59 ) Now the first term represents the mutual energy of interaction among the charges of the system and when we sum it up over all N charges of this type ...
... energy of q , can be written as the sum Vei = 9 ; 45 ( r ; ) + 9 ; 40 ( r ; ) ( 8-59 ) Now the first term represents the mutual energy of interaction among the charges of the system and when we sum it up over all N charges of this type ...
Page 161
... ENERGY We recall our result ( 7-10 ) for the energy of a system of charges : U. U1 = 1⁄2 √ ρφατ all space ( 10-78 ) When we obtained this expression , we calculated it as ... ENERGY 161 10-8 Energy Infinite Plane Uniform Current Sheet 231.
... ENERGY We recall our result ( 7-10 ) for the energy of a system of charges : U. U1 = 1⁄2 √ ρφατ all space ( 10-78 ) When we obtained this expression , we calculated it as ... ENERGY 161 10-8 Energy Infinite Plane Uniform Current Sheet 231.
Page 163
... energy of the capacitor to be Ս . = Q2 32π2 € Jo 2π L L 7 1 b · 2 sin 0 dr de do = a Q2 / 1 1 8πε α - - ( 10-87 ) b If there were a vacuum between the plates , the energy Uo would be given by ( 10-87 ) with e replaced by . Therefore ...
... energy of the capacitor to be Ս . = Q2 32π2 € Jo 2π L L 7 1 b · 2 sin 0 dr de do = a Q2 / 1 1 8πε α - - ( 10-87 ) b If there were a vacuum between the plates , the energy Uo would be given by ( 10-87 ) with e replaced by . Therefore ...
Contents
INTRODUCTION | 1 |
ELECTRIC MULTIPOLES | 8 |
THE VECTOR POTENTIAL | 16 |
Copyright | |
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Ampère's law angle assume axes axis bound charge boundary conditions bounding surface calculate capacitance charge density charge distribution charge q circuit conductor consider const constant corresponding Coulomb's law current density curve cylinder dielectric dipole direction distance divergence theorem E₁ electric field electromagnetic electrostatic energy equipotential evaluate example expression field point free charge function given induction infinitely long integral integrand Laplace's equation line charge line integral located magnetic magnitude Maxwell's equations obtained origin P₁ perpendicular point charge polarized position vector potential difference quadrupole R₁ region result scalar potential Section shown in Figure sphere of radius spherical surface charge density surface integral tangential components theorem total charge vacuum vector potential velocity volume wave write written xy plane zero Απερ μο дх