## Principles of Electricity and Electromagnetism |

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Page 1

negative sign resulting from the product of positive and negative is associated

with a force of attraction. If a positively charged rod is suspended in the cradle, it

is found ...

**Substances**that attract the rod are said to have positive charges, and thenegative sign resulting from the product of positive and negative is associated

with a force of attraction. If a positively charged rod is suspended in the cradle, it

is found ...

Page 3

negative sign resulting from the product of positive and negative is associated

with a force of attraction. If a positively charged rod is suspended in the cradle, it

is found ...

**Substances**that attract the rod are said to have positive charges, and thenegative sign resulting from the product of positive and negative is associated

with a force of attraction. If a positively charged rod is suspended in the cradle, it

is found ...

Page 56

This matter will be discussed further in connection with the conduction of

electricity, but in the present section it will be assumed for simplicity that dielectric

Certain ...

This matter will be discussed further in connection with the conduction of

electricity, but in the present section it will be assumed for simplicity that dielectric

**substances**are perfect insulators and will retain localized charges indefinitely.Certain ...

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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