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# A charge Q is kept at the corner of a cube. Electric flux passing through one of those faces not touches that charge is:-Q24ϵ0Q3ϵ0Q8ϵ0Q6ϵ0

A
Q6ϵ0
B
Q24ϵ0
C
Q8ϵ0
D
Q3ϵ0
Solution
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#### As we know that, total flux due to a charge enclosed in a region is given as ϕ=Qε0 (Gauss's law)Here, the charge is on a corner of each of the 8 cubes.Hence, an equal amount of flux will spread outwards through each of the cubes due to symmetry.Hence, the magnetic flux through each cube is given as ϕ=Q8ε0.Since three faces don't have any effect, the flux will be divided into three parts again.Therefore, total flux will become, ϕ=Q24ε0The correct option A.

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