nnCapacitance of a capacitor made by a thin metal foil is \[2\mu F\]. If the foil is folded with paper of thickness\[0.15mm\], dielectric constant of paper is 2.5 and width of paper is\[400mm\], then length of foil will be [RPET 1997]

• A.                    \[0.34\ m\]
• B.                                      \[1.33\ m\]
• C.                    \[13.4\ m\]                    
• D.            \[33.9\ m\]