A Gaussian surface consists of a bottom surface made of a flat disk of radius R, in the horizontal plane centered on the origin and a top surface consisting of a hemisphere of the same radius R. A dipole is arranged as show where the charges are q both plus and minus and the separation is a. a)(5 points) What is the signof the electric flux FEthrough the entire Gaussian surface

electric flux through the entire Gaussian surface will be positive ( + )

Explanation:

The dipole is surrounded by Gaussian surface of charge q

The electric flux will be  positive

i.e.  Ф = E. ds   since the surface is a close one the direction of the area outwardly will be positive . therefore the angle between  E and A < 90°

Hence the  electric flux through the entire Gaussian surface will be positive

no. dot product   =0 when vecs at right angles

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