4.22. A thin linear dipole of length I is placed symmetrically about the zaxis. Find the far+zone spherical electric and magnetic components radiated by the dipole whose current distribution can be approximated by Ig(l+z'), U25z'50 (3} [2(5) : fo(1?Zi)= OEZFEUE (b) raw) 2 :0 cos G2!) , ;2 :2 z' 5 oz if (c) raw) 2 tacos? (72*), r,x2 5 2* gm