$\begin{array}{1 1}(A)\;double \;the\;uncharged\;rod\\ (B)\;equal\;to\;the\;uncharged\;rod \\(C)\;Slightly\; less\; than\; the\; uncharged\; rod \\(D)\; Slightly\; more\; than \;the\; uncharged \; rod \end{array} $