When an uncharged glass rod is rubbed with an uncharged silk cloth, the rod becomes positively charged, while the silk cloth becomes negatively charged.The mass of the charged glass rod will be

Question

$\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} $