Two charges $+3.2\times {10}^{-19}$ and -3.2x10^-19 C placed at 2.4A apart form an electric dipole. It is placed in a uniform electric field of intensity $4 \times {10}^5$ V/m . The electric dipole moment is

• A

  $15.36\times {10}^{-29}\mathrm{Cm}$

• B

  $15.36\times {10}^{-19}\mathrm{Cm}$

• C

  $7.68\times {10}^{-29}\mathrm{Cm}$

• D

  $7.68\times {10}^{-19}\mathrm{Cm}$