16) In the figure, the two long straight wires are separated by a distance of d = 0.40 m. The currents are 11 = 4.0 A and 12 = 8.0 A both going into the screen. A) What is the magnitude and direction of the magnetic field at point P, that is midway between the two current lines (NO = 4TT x 10-7 T . m/A) B) What is the direction and magnitude of the force that I1 applies on a length of 2m of 12? d=0.40 m O I, = 4.0 A I, = 8.0 A