Question

A point charge of +5 μC is located at the center of a sphere with a radius of 12 cm . What is the electric flux through the surface of this sphere ?
Phi = EA = [kq/r(sqr)] * [4(pi) r(sqr)] = 4 kq(pi)
= 4 * 9e9 * 5e-6 * 3.141 = 5.7e5
Note r cancels

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