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Questions  

For a given surface the Gauss's law is stated as Eds=0. From this we can conclude that

a
E is necessarily zero on the surface
b
E is perpendicular to the surface at every point
c
The total flux through the surface is zero
d
The flux is only going out of the surface

detailed solution

Correct option is C

The total flux through the surface is zeroϕ=∮E→⋅ds→=0

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