A non-conducting sphere of radius has a volume charge density , where is a constant and is the distance from the center. The electric field strength at is:
\frac{\rho_0 R}{6\epsilon_0}
\frac{5\rho_0 R}{48\epsilon_0}
\frac{\rho_0 R}{12\epsilon_0}
\frac{3\rho_0 R}{16\epsilon_0}
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#NAME?
#NAME?
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