;
by an external electric field 
is 
![U = [1.6*10^{-22}\bold{i}+1.6*10^{-22}\bold{j}] \cdot[300\bold{i}]](/tpl/images/0607/7548/3f3cf.png)
A proton is located at the origin and an electron is located at (1.0, 1.0) mm:
(a) Deter...
A proton is located at the origin and an electron is located at (1.0, 1.0) mm:
(a) Determine the electric dipole moment of these two particles in unit vector notation.
(b) If we put this electric dipole moment in an external electric field vector(E) = 300vector(i) (N/C), calculate the work done by the electric field to rotate the dipole so that it becomes in the same direction as the field.
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