We have point charge of size 2.1 C sitting a distance d/2 directly above the center of a square of side length 11 mm. What is the magnitude of the electric flux through the square? for my answer I got 7.56*1010 N*m2/C which was wrong

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.