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 300
... considered to constitute the current density i , times the volume element du comprising the region . The summation and circuital integration may then be considered as a volume integration and the energy written U = fi . i .. A dv ( 9.26 ) ...
... considered to constitute the current density i , times the volume element du comprising the region . The summation and circuital integration may then be considered as a volume integration and the energy written U = fi . i .. A dv ( 9.26 ) ...
Page 403
... considered at this point . Its general theory will be considered in more detail in connection with coupled of transformers . circuits ( Sec . 14.1 ) . The most im- portant service performed by the transformer is to change the potential ...
... considered at this point . Its general theory will be considered in more detail in connection with coupled of transformers . circuits ( Sec . 14.1 ) . The most im- portant service performed by the transformer is to change the potential ...
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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 dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero