An electric dipole consists of charges +2e and -2e separated by 0.78nm. It is in an electric field of strength 3.4 x 106 N/C. Calculate the magnitude of the torque on the dipole when the dipole moment is
(a) parallel to,
(b) perpendicular to, and
(c) antiparallel to the electric field. Hint: think 00, 900, and 1800.