A piece of cloud having area \[25\times {{10}^{6}}{{m}^{2}}\] and electric potential of \[{{10}^{5}}\] volts. If the height of cloud is \[0.75\,km\], then energy of electric field between earth and cloud will be [RPET 1997]

• A.                                                      \[250\,J\]                               
• B.            \[750\,J\]
• C.                    \[1225J\]
• D.                                      \[1475J\]