A \[10\mu F\] capacitor is charged to a potential difference of \[50\ V\]and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes \[20\ volt\]. The capacitance of second capacitor is [MP PET 1999; DPMT 2000]

• A.                    \[10\mu F\]
• B.                                      \[20\mu F\]
• C.                    \[30\mu F\]
• D.                                      \[15\mu F\]