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 41
... COULOMB'S LAW This basic experimental law refers to the situation illustrated in Figure 2-2 in which we have two point charges q and q ' separated by a distance R ; we assume the charges to be fixed in position and that ... COULOMB'S LAW 41.
... COULOMB'S LAW This basic experimental law refers to the situation illustrated in Figure 2-2 in which we have two point charges q and q ' separated by a distance R ; we assume the charges to be fixed in position and that ... COULOMB'S LAW 41.
Page 42
... Coulomb's law have been already chosen so that the constant of proportionality must be found by experiment ; this necessity is analogous to that of finding the gravitational constant appearing in the law of gravitation . The result ...
... Coulomb's law have been already chosen so that the constant of proportionality must be found by experiment ; this necessity is analogous to that of finding the gravitational constant appearing in the law of gravitation . The result ...
Page 51
Roald K. Wangsness. 3 THE ELECTRIC FIELD Coulomb's law is an example of what is known as an " action at a distance " law . It provides us with a straightforward way of calculating the force on a given charge when the relative position ...
Roald K. Wangsness. 3 THE ELECTRIC FIELD Coulomb's law is an example of what is known as an " action at a distance " law . It provides us with a straightforward way of calculating the force on a given charge when the relative position ...
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