6B Ch 22-Gauss Law

Eda e n da gauss law introduction gauss law is an

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Unformatted text preview: eaving the volume surrounding the surface minus the number entering the volume •  If En is the component of E perpendicular to the surface, then ΦE = ∫ E⋅dA = ∫ E n ⋅ dA Gauss Law, Introduction •  Gauss Law is an expression of the general relationship between the net electric flux through a closed surface and the charge enclosed by the surface –  The closed surface is often called a Gaussian surface •  Gauss Law is of fundamental importance in the study of electric fields E A2 A1 Applying Gauss Law •  Gauss Law is valid for the electric field of any system of charges or continuous distribution of charge. •  •  Although Gauss Law can, in theory, be solved to find E for any charge configuration, in practice it is limited to symmetric situations –  Particularly spherical, cylindrical, or plane symmetry •  Remember, the Gaussian surface is a surface you choose, it does not have to coincide with a real surface r0 Q Field Due to a Uniform Cha...
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