Planar current sheets of K = 30a_z A/m and −30a_z A/m are located in free space at x = 0.2 and x = −0.2, respectively. For the region −0.2 < x < 0.2

(a) Find H;

(b) Obtain an expression for V_m if V_m = 0 at P(0.1, 0.2, 0.3);

(c) Find B;

(d) Obtain an expression for A if A = 0 at P.