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 . hypothetical closed surface ...
... 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 . hypothetical closed surface ...
Page 291
... normal is positive Direction of positive normal to surface or H i i G 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 i G 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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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero