An Electric Dipole of Dipole Moment 4

Multiple Choice

An electric dipole of dipole moment 4.5 x 10^-9 C·m is in a 250 N/C electric field.If the electric field points east, and the dipole moment vector points 37° west of south, what is the potential energy?

A) -6.8 x 10^-8 J
B) -9.0 x 10^-7 J
C) 0 J
D) 6.8 x 10^-8 J
E) 9.0 x 10^-7 J