A small sphere is placed halfway between the poles of a horseshoe magnet. One side of the magnet is then enclosed by a small rectangular box which includes the sphere and one side of the magnet, but not the other side. The entire combination of magnet, sphere, and small box is then placed inside a large cube. Rank the amount of total magnetic flux through each container, in order of increasing flux. sphere, box, cube box, sphere, cube The net flux is the same through each container. cube, box, sphere
