Figure shows a charge Q placed at the center of open face of a cylinder as shown in figure. A second charge q is placed at one of the positions A, B, C and D, out of which positions A and D are lying on a straight line parallel to open face of cylinder. In which position(s) of this second charge, the flux of the electric field through the cylinder remains unchanged?
Text Solution
Verified by ExpertsThe correct answer is:
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(a, d)
charge remains zero and flux through given surface remains unchanged.
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