Question: A solid metallic sphere of radius a carries total charge O. No other charges are nearby. The electric field just outside its surface is k.Q/a

A solid metallic sphere of radius a carries total charge O. No other charges are nearby. The electric field just outside its surface is k.Q/a radially outward. At this close point, the uniformly charged surface of the sphere looks exactly like a uniform flat sheet of charge. Is the electric field here given by o/co or by o/26

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