Each of the wires in the figure below carries a current of 3.01 A in the directions indicated. For each wire, find the magnitude and direction of the magnetic field at a point P that is 1.03 cm from the wire. . p .p D (a) (b) . P P (c) (d) (a) magnitude direction ---Select--- E (b ) magnitude direction ---Select--- E (c) magnitude direction ---Select--- (d) magnitude direction ---Select