Principles of Electricity and Electromagnetism |
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Page 31
... surface . This surface may be continued out from the point by following all paths that involve no work , and it will be found that the equipotential surface so described encloses the inner conductor . Any other point in the space not on ...
... surface . This surface may be continued out from the point by following all paths that involve no work , and it will be found that the equipotential surface so described encloses the inner conductor . Any other point in the space not on ...
Page 189
... surface . The forces tending to retain the cloud of conduction electrons within a metal are very large , but the bounding surface is not mathematically sharp , and even at ordinary temperatures a thin atmosphere of electrons may be ...
... surface . The forces tending to retain the cloud of conduction electrons within a metal are very large , but the bounding surface is not mathematically sharp , and even at ordinary temperatures a thin atmosphere of electrons may be ...
Page 240
... surface of the cathode . Furthermore , positive ions are drawn to the cathode and if these strike it with sufficient energy , they may alter the surface and change its work function . For this reason the potential drop in tubes with ...
... surface of the cathode . Furthermore , positive ions are drawn to the cathode and if these strike it with sufficient energy , they may alter the surface and change its work function . For this reason the potential drop in tubes with ...
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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 grad grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic moment magnitude maximum measured metal meter negative obtained ohms oscillations output parallel phase plate positive potential difference potential wave potentiometer produced proportional quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation shown in Fig solenoid solution surface temperature terminals theorem torque tube unit V₁ vector velocity voltage volts wire written zero