The potential in a region between x = 0 and x (a) Determine the potential at x = 0. V = 6.00 m is V = a + bx, where a = 14.6 V and b = -7.10 V/m. Determine the potential at x = 3.00 m. Determine the potential at x = 6.00 m. V (b) Determine the magnitude and direction of the electric field at x = 0. magnitude direction +X V/m Determine the magnitude and direction of the electric field at x = 3.00 m. magnitude direction +X V/m Determine the magnitude and direction of the electric field at x = 6.00 m. magnitude direction +X V/m