Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 83
Page 7
... plate is then set upon the wax , a small fraction of the conduction electrons from the plate will flow to the points of contact with the wax , but there are actually very few points of contact and the major effect is the separa- tion of ...
... plate is then set upon the wax , a small fraction of the conduction electrons from the plate will flow to the points of contact with the wax , but there are actually very few points of contact and the major effect is the separa- tion of ...
Page 212
... plate E. This rather large positive potential is necessary since the cathode as well as the control grid is screened from the plate , and it is the screen potential that overcomes the space charge and allows a current to flow to the ...
... plate E. This rather large positive potential is necessary since the cathode as well as the control grid is screened from the plate , and it is the screen potential that overcomes the space charge and allows a current to flow to the ...
Page 213
... plate which alters the potential distribution in this region in such a way as to prevent electrons leaving the plate . This type of tube is known as a beam tube in view of the well - defined electron beams which pass through the open ...
... plate which alters the potential distribution in this region in such a way as to prevent electrons leaving the plate . This type of tube is known as a beam tube in view of the well - defined electron beams which pass through the open ...
Other editions - View all
Common terms and phrases
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