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 5
... direction as A if s is positive , and in the opposite direction to A if s is negative . 1-3 UNIT VECTORS A unit vector is defined as a vector of unit magnitude and will be written with a circumflex above it , thus , ê ; since unit ...
... direction as A if s is positive , and in the opposite direction to A if s is negative . 1-3 UNIT VECTORS A unit vector is defined as a vector of unit magnitude and will be written with a circumflex above it , thus , ê ; since unit ...
Page 6
... direction angles of A and are measured from the positive directions of their respective axes . Figure 1-9 shows the plane containing both A and â and we see that A , is given by Ax = A cos a . Combining this with ( 1-6 ) , we get x Ax ...
... direction angles of A and are measured from the positive directions of their respective axes . Figure 1-9 shows the plane containing both A and â and we see that A , is given by Ax = A cos a . Combining this with ( 1-6 ) , we get x Ax ...
Page 17
... direction can be associated with this area , that is , the unit vector în , which is normal to the surface . Thus , we can associate a vector da with this element of area and write it as da = da î ( 1-52 ) by following the general form ...
... direction can be associated with this area , that is , the unit vector în , which is normal to the surface . Thus , we can associate a vector da with this element of area and write it as da = da î ( 1-52 ) by following the general form ...
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