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A nonuniform electric field is given by the expression E = ay^i + bz^j + cx^k,

where a, b, and c are constants. Determine the electric flux through a rectangular

surface in the xy plane, extending from x = 0 to x = w and from y = 0 to y = h.

this question can be viewed better here http://web.uvic.ca/~jalexndr/week 3 problems.pdf (question #54)

i basically use gauss's law and get it down to something like

= C[tex]\int[/tex] (x dA )

my method here was two take the dot product of the electric field and dA which is said to be perpendicular to the surface in the x y plane therefore it will act along the z axis

so this dot product comes out equalling cxdA where c is a constant.... where do i go from here.. the answer is given as (1/2 chw^2)