Principles of Electricity and Electromagnetism |
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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 4 FIG . 7.12 . - Effect of secondary electron = emission on plate current . 1 current from cathode to plate ...
... plate which alters the potential distribution in this region in such a way as to prevent electrons leaving the plate . This type 4 FIG . 7.12 . - Effect of secondary electron = emission on plate current . 1 current from cathode to plate ...
Page 506
... plate circuit . The energy dissipated at the plate per cycle is Sipes dt over the interval of plate - current flow . This is indicated by the shaded region to the right in the figure . The energy supplied to the load per cycle is fipe ...
... plate circuit . The energy dissipated at the plate per cycle is Sipes dt over the interval of plate - current flow . This is indicated by the shaded region to the right in the figure . The energy supplied to the load per cycle is fipe ...
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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero