Can you explain please?

Activity Magnetic Fields for two wires Grade Name Date Two current carrying wires are a distance d apart. Use the diagram below to answer the following questions. Both wires have a current of 40.0 A. Wire 1 is located at (-2.80 cm, 0 cm) and wire 2 is located at (+2.80 cm, 0 cm) and point P is located at (0 cm, 4 cm) P X 12 a) On the figure above show the magnetic field lines due to wire 1. Show the magnetic field vector By at point P due to wire 1. b) Repeat for wire 2 and vector B2. c) Calculate the magnitudes of Bi and B2. Use the symmetry of the problem to do the calculation once for both. d) Sketch the total magnetic field Brot on the sketch above. Find its the magnitude and direction. Use the symmetry of the problem to simplify the vector addition. e) Is the magnetic force between the two wires attractive or repulsive, and explain why.Activity Current Loops Grade Name Date A current loop has N = 200 turns and a current I = 2.5 A with a radius r = 2.5 cm oriented at an angle o = 410 to a uniform magnetic field B with magnitude B = 25.8 gauss as shown. The vector m shows the perpendicular to the plane of the loop. (Reminder: 1 gauss = 10 4 T). m B a) Show the magnetic moment u on the sketch. Find its magnitude. b) Show the magnetic torque r vector on the sketch. You are allowed to use perspective here. Find its magnitude. c) Viewed from the near edge, the magnetic torque will tend to make the loop rotate i) clockwise ii) counterclockwise iii) need more information d) Find the potential energy due to the torque. e) If the direction of the current were reversed with the same magnitude (say with a pair of brushes riding on the split ring at the axis; c.f. electric motor in Section 27.8 and figure 27.39), how would this affect the torque and potential energy? a) torque would be reversed; potential energy sign would change. b) torque would be the same; potential energy would be the same. c) torque would be reversed, potential energy would be the same. d) torque would be the same, potential energy sign would change