## Principles of Electricity and Electromagnetism |

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Page 8

Gaylord Probasco Harnwell. positive charges pass to the comb, neutralizing its

charge, and the

effectively in a transfer of electrons from the points of the comb to the conductor

beneath it.

Gaylord Probasco Harnwell. positive charges pass to the comb, neutralizing its

charge, and the

**negative**ones pass.to the conducting patch. This resultseffectively in a transfer of electrons from the points of the comb to the conductor

beneath it.

Page 507

Characteristics with

a two-terminal device is the graphical relation between the current flowing

through the terminals and the potential difference across them, the latter being

taken ...

Characteristics with

**Negative**Slopes and Instability.—The characteristic curve ofa two-terminal device is the graphical relation between the current flowing

through the terminals and the potential difference across them, the latter being

taken ...

Page 513

lead. from. the. plate. to. the. battery. Secondary. electrons. emitted. by the plate

are drawn from it to the grid, resulting in a flow of current in the reverse sense in

the plate circuit and the

lead. from. the. plate. to. the. battery. Secondary. electrons. emitted. by the plate

are drawn from it to the grid, resulting in a flow of current in the reverse sense in

the plate circuit and the

**negative**dynamic resistance associated with instability.### What people are saying - Write a review

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### 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