## Principles of Electricity and Electromagnetism |

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Page 7

If the

from the

very few points of contact and the major effect is the separation of charge on the ...

If the

**plate**is then set upon the wax, a small fraction of the conduction electronsfrom the

**plate**will flow to the points of contact with the wax, but there are actuallyvery few points of contact and the major effect is the separation of charge on the ...

Page 212

In ordinary operation the screen is kept at a fixed positive potential of the order of

that of the

cathode as well as the control grid is screened from the

...

In ordinary operation the screen is kept at a fixed positive potential of the order of

that of the

**plate**E5. This rather large positive potential is necessary since thecathode as well as the control grid is screened from the

**plate**, and it is the screen...

Page 506

may be linearly modulated by varying the effective potential applied to the

circuit." The energy dissipated at the

may be linearly modulated by varying the effective potential applied to the

**plate**circuit." The energy dissipated at the

**plate**per cycle is Ji,e, dt over the interval of**plate**-current flow. This is indicated by the shaded region to the right in the figure.### What people are saying - Write a review

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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