Problem 6 3 cm A Charges q1 = + 2/C and q2 = - 2/C are placed as shown in the corners of a 3 cm-side square. Points A and B are located at the other two corners. (a) [4 points] Calculate the electric potential at points A and B. 3 cm ; 41 B A charge Q = - 3 / C is positioned at point A. (b) [3 points] Calculate the amount of work required to relocate the charge O to point B