The electric field due to the left charge would point right and the field from the right charge would also point right? How would you go about calculating that? When I try to get an answer I always get zero still.
I've been a reader of this forum last year, but now I've registered and need help understanding electric field.
1. Homework Statement
Four charges q1 = q3 = -q and q2 = q4 = +q, where q = 7 µC, are fixed at the corners of a square with sides a = 1 m...