1. The problem statement, all variables and given/known data Two points (A and B) are shown in a constant electric field of E = 850 N/C. The distance between A and B is L = 2 m. The line joining the two points makes an angle of 40 degrees with the electric field. Determine the electric potential difference (in Volts) between points A and B -- that is VA - VB. 2. Relevant equations E_s cos(theta)=-Ed 3. The attempt at a solution would I just do E(cos theta) or -Ed? or are neither right?