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Mathematics, 11.02.2020 01:43 gototiger

Closed surface A is a sphere of radius R , closed surface B is a sphere of radius 2 R , and closed surface C is a cube with side length R . At the geometric center of each closed surface is a small point charge + q . There are no other charges nearby. Which surface has the greatest field line flux through it?

A. Surface C
B. Surface A
C. Surface B
D. All are the same.

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