SI unit of permittivity is [KCET 2004]

• A. \[{{C}^{2}}{{m}^{2}}{{N}^{-1}}\]
• B. \[{{C}^{-1}}{{m}^{2}}{{N}^{-2}}\]
• C. \[{{C}^{2}}{{m}^{2}}{{N}^{2}}\]
• D. \[{{C}^{2}}{{m}^{-2}}{{N}^{-1}}\]