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## Main Question or Discussion Point

If there's a point charge at the origin, I want to find two closed surfaces such that the flux through one of them is zero while the other is not.

I know this may seem trivial but I just want to make sure I understand the question.

My answer would be that to get a zero flux, the closed surface must NOT enclose the charge at the origin while for the non-zero flux, the surface must enclose the charge; is this OK?

I know this may seem trivial but I just want to make sure I understand the question.

My answer would be that to get a zero flux, the closed surface must NOT enclose the charge at the origin while for the non-zero flux, the surface must enclose the charge; is this OK?