## Principles of Electricity and Electromagnetism |

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Page 16

The outward

element of the surface, the contribution to the sum made by this element is E ds

cos 6, where 6 is the angle included between E and the outward

surface ...

The outward

**normal**component is reckoned as positive. If ds represents anelement of the surface, the contribution to the sum made by this element is E ds

cos 6, where 6 is the angle included between E and the outward

**normal**to thesurface ...

Page 89

The rate of passage of electric charge per unit area

in the neighborhood of any point in a medium is said to be the current density at

the point. This is evidently a vector quantity and will be written i,.

The rate of passage of electric charge per unit area

**normal**to the direction of flowin the neighborhood of any point in a medium is said to be the current density at

the point. This is evidently a vector quantity and will be written i,.

Page 366

Demagnetization is accomplished by putting the sample through successively

smaller

has been reduced to zero. The intersection of the

...

Demagnetization is accomplished by putting the sample through successively

smaller

**normal**hysteresis loops until the maximum value of the alternating fieldhas been reduced to zero. The intersection of the

**normal**hysteresis loop with 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