aninchorso apart. Nowbring them slowly down toward the N. end of the magnet, as shown Having tested the needle and found it free of magnetism, pended magnet; if the latter remains at rest, then the bar is in Fig. 19. They now no longer hang parallel to each other, you now hang it to the end of the… … but are inclined, the upper ends of the wires repelling each | other, so that the two suspending threads are forced outward and no longer hang vertically. This repulsion between the ‘upper ends of the soft iron wires is caused by their having the same magnetic polarity. We have already seen that…
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