A uniform electric field is present in the positive x - direction. If the intensity of the field is `5 NC^-1` then find the potential difference `(V_B - V_A)` between two points A (0 m, 2 m) and B (5 m, 3 m).

Explanation

`V_(B) - V_(A) = - vec(E).vec(AB)`
`= -(5 hat(i)).(5 hat(i) + hat(j)) = -25V`
The electric field intensity in uniform electric field, `E = (Delta V)/(Delta d)` Where `Delta V` = potential difference between two points. `Delta d` = effective distance between the two points.
(projection of the displacement along the direction of electric field.)