## Principles of Electricity and Electromagnetism |

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Page 63

where pa is the normal component of the

dielectric. If the

of the coordinates and q\ = 0, i.e., there is no net charge density within the ...

where pa is the normal component of the

**polarization**vector at the surface of thedielectric. If the

**polarization**is uniform throughout the dielectric, pr is independentof the coordinates and q\ = 0, i.e., there is no net charge density within the ...

Page 71

Also, the average value of E over a region is not the effective value of the field,

under the influence of which a molecule is

itself contributes to the average value of E. Nor is it possible to calculate this field

...

Also, the average value of E over a region is not the effective value of the field,

under the influence of which a molecule is

**polarized**, for the**polarized**moleculeitself contributes to the average value of E. Nor is it possible to calculate this field

...

Page 77

It may be shown that this leads on simple assumptions to an effective

- <jx ft c-::s3 £3>'J? £3)^ No field Field E >- Fio. 3.1. — Schematic representation

of the instantaneous orientation of the molecules of a polar gas under the ...

It may be shown that this leads on simple assumptions to an effective

**polarization**- <jx ft c-::s3 £3>'J? £3)^ No field Field E >- Fio. 3.1. — Schematic representation

of the instantaneous orientation of the molecules of a polar gas under the ...

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