ElectrostaticsMedium
Question
Eight point charges (can be assumed as uniformly charged small spheres and their centres at the corner of the cube) having value q each are fixed at vertices of a cube. The electric flux through square surface ABCD of the cube is
Options
A.
B.
C.
D.
Solution
Each charge has its 1/8th part of electric field lines inside cube since there are 8 charges.
∴ Net enclosed charge = q/8 × = q
∴ Net flux =
∴ F flux through one surface =
∴ Net enclosed charge = q/8 × = q
∴ Net flux =
∴ F flux through one surface =
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