An infinite sheet of uniform surface current density flows in the x-y plane in the +a bar_y direction. Use Ampere's Circuital law to determine the magnetic field intensity both above and below the surface current by a. sketching and labeling the setup including the ACL path (note the a and h dimensions provided below), and b. explaining each step that follows in the application of ACL (see next page). c. Explain the behavior of the field as the distance from the x-y plane increases.