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 12
... written in terms of its rectangular components in ( 1-37 ) is called the gradient of u and is also often written . grad u . We can regard ( 1-38 ) as the general definition of u since it is written in a form that is independent of a ...
... written in terms of its rectangular components in ( 1-37 ) is called the gradient of u and is also often written . grad u . We can regard ( 1-38 ) as the general definition of u since it is written in a form that is independent of a ...
Page 114
... written in terms of the dipole moment as p.f p.r op ( r ) = = Απερτ 4TTεor3 ( 8-21 ) We note that ( 8-21 ) has the form of a ( scalar ) product of quantities , one of which depends only on the location of the field point and one that ...
... written in terms of the dipole moment as p.f p.r op ( r ) = = Απερτ 4TTεor3 ( 8-21 ) We note that ( 8-21 ) has the form of a ( scalar ) product of quantities , one of which depends only on the location of the field point and one that ...
Page 125
... written as r1 · ( 0 ) 0 r1 Eo = - • ( 8-63 ) because of ( 5-3 ) where E。 is the external electric field . Since E。 is a constant also , when we put ( 8-63 ) into ( 8-60 ) we get this contribution to the energy as = - · = U2ODEo Σair ...
... written as r1 · ( 0 ) 0 r1 Eo = - • ( 8-63 ) because of ( 5-3 ) where E。 is the external electric field . Since E。 is a constant also , when we put ( 8-63 ) into ( 8-60 ) we get this contribution to the energy as = - · = U2ODEo Σair ...
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 curve cylinder dielectric dipole direction distance divergence theorem E₁ electric field electromagnetic electrostatic energy equation 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 surface charge density surface integral tangential components theorem total charge vacuum vector potential velocity volume wave write written xy plane zero Απερ дх