For the aperture shown in Figure shown below, assuming it is mounted on an infinite PEC (perfectly electrically conducting) ground plane, with an electric field distribution in the aperture given by: Ea = 2 10 v/m and dimensions a = 8), and b = 12) where -a/2 ya/2 and -b/2 z b/2 (a) (10 points) Form the most practical, exact or approximate (when necessary to solve the problem) equivalent currents Js and Ms. (b) (15 points) Find the far-zone electric and magnetic fields. Do not leave your answers in terms of variables "a" and "b" ... substitute the given values for "a" and "b". F y dz' b (a) 2. R