Principles of Electricity and Electromagnetism |
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Page 202
... cathode . If the zero of potential is chosen at the cathode and if there are no gas molecules in the space to which the electrons can transfer their energy , the kinetic energy of an electron must be equal to the electrical energy ...
... cathode . If the zero of potential is chosen at the cathode and if there are no gas molecules in the space to which the electrons can transfer their energy , the kinetic energy of an electron must be equal to the electrical energy ...
Page 261
... cathode discharge . This is known as the flashback potential and it limits the inverse peak voltage that can be ... cathode can be maintained at incandescence by positive - ion bom- bardment . Thus the power necessary to maintain the ...
... cathode discharge . This is known as the flashback potential and it limits the inverse peak voltage that can be ... cathode can be maintained at incandescence by positive - ion bom- bardment . Thus the power necessary to maintain the ...
Page 266
... cathode Discharges . - The cold - cathode discharge differs from those that have been discussed only in the mechanism of electron emission by the cathode . Before the discharge can develop from the Townsend stage to that characterized ...
... cathode Discharges . - The cold - cathode discharge differs from those that have been discussed only in the mechanism of electron emission by the cathode . Before the discharge can develop from the Townsend stage to that characterized ...
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alternating current alternating-current amplitude angle angular velocity anode applied approximately armature assumed atom axis calculated capacity cathode cell centimeter characteristic charge q circuit coefficient coil component condenser conduction conductor considered copper current density current flowing curve cylinder deflection determined dielectric constant direct-current discharge distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic filament flux force frequency function galvanometer given grad grid hence hysteresis impedance induction insulating integral known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured medium metal meter molecules negative normal obtained ohms parallel plate polarization potential difference potential wave potentiometer produced proportional quantity R₁ radius ratio rectifier region represents resistance rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque tube V₁ vector voltage volts wire written zero