Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 94
-ponent which is tangential to the surface. The theorems provedin this section will be applicable to these components, i.e. at thesurface of separation between two dielectrics the normal com-ponent of induction is the same on both sides if the surface isuncharged, while the same relation exists… … are the angles which itmakes with the normalon the two sides, theabove relations may bethus stated : TJ-^ cos B^ = D,, cos 6^and F\ sin 6^ = F,y sin 6,,therefore tanA~i^ i)^^~~K^ where the suffixes refer Fig. 40. + +u ^ .^• to the two media. Since the surface is uncharged, as many unit tubes must,…
Electricity · Magnetism
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