d) (12(V)/(m))i=(12(V)/(m))j
9. In the figure, a window in a uniform electric field of magnitude E=10\times 10^(7)(N)/(C). The frame of the window is aligned perpendicular to the field. The electric flux through the window is
a) 4\times 10^(2)N*(m^(2))/(C)
b) 2\times 10^(6)N*(m^(2))/(C)
c) 8\times 10^(8)N*(m^(2))/(C)
d) zero