Question: A solid ball of radius R has a uniform volume charge density and produces a certain electric field magnitude E 1 at point P ,

A solid ball of radius R has a uniform volume charge density and produces a certain electric field magnitude E1 at point P, a distance 3.02R from the ball's center. If a core of radius 0.739R is removed from the ball, what fraction of E1 will the field magnitude at P be?
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A solid ball of radius R has a uniform volume

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