# Physics

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Figure below shows a closed Gaussian surface in the shape of a cube of edge length l. It lies in a region where the electric field is given by = (ax + a) + b + c. What is the net charge contained by the cube in terms of the given variables? Use ε0 if necessary.

• Physics -

Without a figure, this can't be done. THe point is that the surface integral of E dot dS is = to the charge inside.

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