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 21
... volume V whose volume element is dr . Again , for convenience , we have written the volume integral with a single integral sign although in reality it is a triple integral . Since S is a closed surface , the unit normal în used for da ...
... volume V whose volume element is dr . Again , for convenience , we have written the volume integral with a single integral sign although in reality it is a triple integral . Since S is a closed surface , the unit normal în used for da ...
Page 23
... volume V surrounded by two surfaces S , and S2 ; two representa- tive outward normals to the volume are shown as în and . We now imagine a plane intersecting the volume and dividing it into two volumes V2 and V1 ; the trace of this ...
... volume V surrounded by two surfaces S , and S2 ; two representa- tive outward normals to the volume are shown as în and . We now imagine a plane intersecting the volume and dividing it into two volumes V2 and V1 ; the trace of this ...
Page 359
... volume is given by - fs · da = SJ da J } = S ( 2πal ) = ( = a21 ) = ( volume ) J } σ ( 21-62 ) with the use of ( 21-61 ) and where wa2l is the volume of the conductor . If we compare this with ( 12-35 ) , we see that ( 21-62 ) says that ...
... volume is given by - fs · da = SJ da J } = S ( 2πal ) = ( = a21 ) = ( volume ) J } σ ( 21-62 ) with the use of ( 21-61 ) and where wa2l is the volume of the conductor . If we compare this with ( 12-35 ) , we see that ( 21-62 ) says that ...
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