Principles of Electricity and Electromagnetism |
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Page 71
... considered , E may no longer be considered uniform . Also , the average value of E over a region is not the effective value of the field , under the influence of which a molecule is polarized , for the polarized molecule itself ...
... considered , E may no longer be considered uniform . Also , the average value of E over a region is not the effective value of the field , under the influence of which a molecule is polarized , for the polarized molecule itself ...
Page 94
... considered as an isolated conductor , divided by Ko ( Gauss's theorem ) . Considering the s and s ' integrals as identical the equation . becomes i σ = -q Κα where q is the charge on the electrode that would produce the field E. The ...
... considered as an isolated conductor , divided by Ko ( Gauss's theorem ) . Considering the s and s ' integrals as identical the equation . becomes i σ = -q Κα where q is the charge on the electrode that would produce the field E. The ...
Page 300
... considered to be distributed in any way throughout a conductor or series of conductors . The sum of the current elements i ; dl in a small region may be considered to constitute the current density i , times the volume element du ...
... considered to be distributed in any way throughout a conductor or series of conductors . The sum of the current elements i ; dl in a small region may be considered to constitute the current density i , times the volume element du ...
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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