Discussion
A point charge of 10 nC is enclosed by a sphere of radius 1 m. The total flux out of the sphere is
Answer: D
Correct answer: 10 nC
Gauss’s law gives the total flux as the enclosed charge, so it is 10 nC regardless of the radius, the shape of the surface or the medium. The radius of 1 m is given only to make the next calculation possible and plays no part in this one.
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