A condenser of capacitance \[10\mu F\] has been charged to 100\[volts\]. It is now connected to another uncharged condenser in parallel. The common potential becomes 40\[volts\]. The capacitance of another condenser is [MP PET 1992]

• A.                    \[15\mu F\]
• B.                                      \[5\mu F\]
• C.                    \[10\mu F\]
• D.                                      \[16.6\mu F\]