Principles of Electricity and Electromagnetism |
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Page 16
... normal component of the electric field at the element . The outward normal component is reckoned as positive . If ds represents an element of the surface , the contribution to the sum made by this element is E ds cos 0 , where is the ...
... normal component of the electric field at the element . The outward normal component is reckoned as positive . If ds represents an element of the surface , the contribution to the sum made by this element is E ds cos 0 , where is the ...
Page 89
... normal to these axes . And in general the rate of flow of charge through an area ds whose normal makes an angle @ with i , is i , ds cos 0 or i , ds , where ds is the vector of length ds normal to the area . If a hypothetical closed ...
... normal to these axes . And in general the rate of flow of charge through an area ds whose normal makes an angle @ with i , is i , ds cos 0 or i , ds , where ds is the vector of length ds normal to the area . If a hypothetical closed ...
Page 291
... normal is positive Direction of positive normal to surface or H i GGG Direction of circum- scription of boundary or of i G FIG . 9.15 . - Subdivision of a surface bounded by a circuit into infinitesimal elements and the sign convention ...
... normal is positive Direction of positive normal to surface or H i GGG Direction of circum- scription of boundary or of i G FIG . 9.15 . - Subdivision of a surface bounded by a circuit into infinitesimal elements and the sign convention ...
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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