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\begin{figure}\centerline{
\psfig{file=problems/prob_3_9.eps,height=2.5in}
}\end{figure}

Find the electric field and electric potential at all points in space of a sphere with radial charge density:


\begin{displaymath}\rho(r) = \rho_0 r \quad\quad\quad r < R \end{displaymath}


\begin{displaymath}\rho(r) = 0 \quad\quad\quad r < R \end{displaymath}



Robert G. Brown 2003-02-09