## Principles of Electricity and Electromagnetism |

### From inside the book

Results 1-3 of 64

Page 47

U = #s div (VE)du — #se and V dy t The first term may be shown in the following

way to vanish if the charges are located in a finite region: By the theorem of flux (

Appendix D) this volume

...

U = #s div (VE)du — #se and V dy t The first term may be shown in the following

way to vanish if the charges are located in a finite region: By the theorem of flux (

Appendix D) this volume

**integral**may be transformed into a surface**integral**f div...

Page 292

(9.16) The argument of the gradient is known as the magnetic scalar potential, Q.

The solid angle a subtended by the circuit is really not uniquely defined, for to it

could be added any

(9.16) The argument of the gradient is known as the magnetic scalar potential, Q.

The solid angle a subtended by the circuit is really not uniquely defined, for to it

could be added any

**integral**multiple of 4t and the same solid angle would be ...Page 300

From Eq. (9.18) U - is a curl H do Since div (A X H) = H . curl A – A curl H, the

integrand can be written H - curl A — div (A X H) But the

divergence term is zero if the currents occupy only a finite region. This can be

seen by ...

From Eq. (9.18) U - is a curl H do Since div (A X H) = H . curl A – A curl H, the

integrand can be written H - curl A — div (A X H) But the

**integral**of thedivergence term is zero if the currents occupy only a finite region. This can be

seen by ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

alternating current alternating-current amplitude angle angular velocity anode antenna applied approximately armature assumed atom axis calculated capacity cathode centimeter characteristic circuit coefficient coil component condenser conducting conductor considered curl current flowing curve deflection density determined dielectric constant direct-current direction discharge displacement distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured meter motor negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potentiometer produced proportional quantity radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque transformer tube unit vector voltage volts wave wire written zero