Thus determine the electric flux that passes through the surface.Īns. As per the question, we can say that the net charge enclosed in the surface can be calculated using the formula of electric flux. It has been mentioned that the gaussian surface is spherical and is enclosed by 30 electrons. An enclosed gaussian surface is placed in the 3D space where its electrical flux is going to be measured. Gauss law is considered valid for any closed surface and for any distribution of charges. Ques. Can Gauss’ law be applied to all surfaces?Īns. In case Gauss theorem is applied to a point charge enclosed by a sphere, Coulomb’s law can be easily obtained. Note: Gauss law is considered a form of restatement of Coulomb's law. Hence, the changing magnetic fields cannot function as sources or sinks of electric fields.It is only the electric charges that can serve as sources or sinks of the electric fields.The charges outside the surface do not contribute to the electric flux.In any closed surface, the electric flux is only due to the sources (positive charges) and sinks (negative charges) of the given electric fields that are enclosed by it.Gauss theorem statement claims an important corollary as well: Thus, the number of electric field lines that enter the surface is equivalent to the field lines exiting the surface.Assuming that the charges are enclosed by a surface, the net electric flux will be zero. ![]()
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