Ok, I've got a problem:
The electric field in a region of space has the components Ey = Ez = 0 and Ex = (3.91 N/C)x. Point A is on the y-axis at y = 2.83 m, and point B is on the x-axis at x = 3.97 m. What is the potential difference VB - VA?
I have tried integrating E (wrt x) * x from...