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7. The figure shows a bar magnet moving vertically upward toward a horizontal coil. The poles of the bar magnets are labeled X and Y. As the bar magnet approaches the coil it induces an electric current in the direction indicated on the figure (counter-clockwise as viewed from above). What are the correct polarities of the magnet? ↑ X A) X is a south pole, Y is a north pole. B) X is a north pole, Y is a south pole. C) Both X and Y are north poles. D) Both X and Y are south poles. 8. (5 pts.) Draw the magnetic field lines around these two magnets, including direction. Show the field lines inside the magnets as well. Draw enough field lines to give a good overview of the shape of the field. N S N S