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# What is the net electric flux within a Gaussian surface is directly related to what physical quantity/quantities?

a) the area chosen
b) the amount of charge enclosed by the area
c) both the amount of charge enclosed by the area and the area chosen

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## 1 answer

1. The whole point is that the total flux through the surface is proportional to the enclosed charge. If the surface surrounding a point charge is a sphere, the E field drops with the radius squared so that the integral of E d area is constant as you get further away.

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2. 👎
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