An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is `10^(-29) C-m`. What is the potential energy of the electric dipole?
Options:
(a) `-9 xx 10^(-20) J`
(b) `-10 xx 10^(-29) J`
(c) `-20 xx 10^(-18) J`
(d) `-7 xx 10^(-25) J`