A charge q µC is placed at the center of a cube of a side 0.1 m, then the electric flux diverging from each face of the cube is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
According to Gauss’s law, total electric flux through a closed surface is equal to 
times the total charge enclosed by the surface. From key idea, the electric flux emerging from the cube is
φ φ = 
× charge enclosed
= 
× q × 10 –6
Since, a cube has six faces, so electric flux throught each face is,
φ φ ’ = 
= 
× q × 10 –6 = 
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