For each of the following scenarios determine whether there is an attractive force or a repulsive force. Answer choices may be used more than once. a. attractive b. repulsive ____ 7. south end of an electromagnet is brought near the north end of a horseshoe magnet ____ 8. two bar magnets are oriented so that their magnetic field lines point in the same direction ____ 9. north end of a bar magnet is placed near the north end of a horseshoe magnet ____ 10. an iron nail lies close to a bar magnet ____ 11. two identical coils, with the same winding direction, are placed side by side and have current travelling in the same direction ____ 12. two wires are parallel and carry current in opposite directions ____ 13. the magnets used for Maglev trains