An electric field is given by Eā =E0(y/a)k^Eā=E0(y/a)k^, where E0E0 and aa are constants.
Find the flux through the square that lies in the xx-yy plane and is bounded by the points (0,0),(0,a),(a,a),(a,0)(0,0),(0,a),(a,a),(a,0).
Express your answer in terms of E0E0 and aa.