A fly symmetrical sector of arc length a and radius 3a mounted on the vertical axis A charge q is placed at height 4a from the

Question

A fly symmetrical sector of arc length a and radius 3a mounted on the vertical axis A charge q is placed at height 4a from the centre along its axis The flux that passes through fly would be A B C D 9 TE 9 60 9 41 9q 4 q 4a 3a a

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