A uniform electric field with a magnitude of 6890 N/C points in the positive x-direction. Find the change in electric potential energy when a +12.5 µC charge is moved 5.87 cm in the following directions.
In the positive x-direction
In the negative x-direction
U = qEd, right?
The Attempt at a Solution
U = (12.5 x10^-6)(6890)(0.00587) = .00050555 J or .50555 mJ
But that isn't correct, please help ;)