(r' - a') p - -a, asrs 2a Ē = 3e,r? 7a'p- а, rz 2a a) Calculate the electrical potential on the surface of the conductive sphere. (outside of non-conductive material Consider the electric potential on its surface (eg r = 2a) zero volts) b) Calculate the electrical potential at the center of the conductive sphere (consider the same assumption in option a)
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