When a cube is inscribed in a sphere of radius r, the length L of a side of the cube is
. If a positive point charge Q is placed at the center of the spherical surface, the ratio of the electric flux Φsphere at the spherical surface to the flux Φcube at the surface of the cube is
A)
.
B)
.
C) 1.
D)
.
E)
.
Correct Answer:
Verified
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