A charge q is placed at the corner of a cube of side a. The electric flux through the cube is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
According to Gauss’s law, the electric flux through a closed surface is equal to 
times the net charge enclosed by the surface. Since, q is the charge enclosed by the surface, then electric flux φ φ = 
If charge q is placed at a corner of cube, it will be divided into 8 such cubes. Thereof, electric flux through the cube is
φ φ ’ = 
x 
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