Principles of Electricity and Electromagnetism |
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Page 47
... integral may be transformed into a surface integral ƒ div ( VE ) dv = ƒ‚VE · ds where s is a closed surface bounding the volume containing the charges . This surface may be chosen at a very great distance from all the charges . As V ...
... integral may be transformed into a surface integral ƒ div ( VE ) dv = ƒ‚VE · ds where s is a closed surface bounding the volume containing the charges . This surface may be chosen at a very great distance from all the charges . As V ...
Page 292
... integral multiple of 4π and the same solid angle would be obtained in exact analogy to rotation about an axis ... integral of Eq . ( 9.16 ) around a closed path yields another important result . The integral of Hdl around any closed path ...
... integral multiple of 4π and the same solid angle would be obtained in exact analogy to rotation about an axis ... integral of Eq . ( 9.16 ) around a closed path yields another important result . The integral of Hdl around any closed path ...
Page 300
... integral of the divergence term is zero if the currents occupy only a finite region . This can be seen by transforming the integral by the theorem of flux into a surface integral of the normal component of A X H over a surface at a ...
... integral of the divergence term is zero if the currents occupy only a finite region . This can be seen by transforming the integral by the theorem of flux into a surface integral of the normal component of A X H over a surface at a ...
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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 discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given 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