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The accompanying figure shows magnetic field lines through the center of a permanent magnet. The magnet is not connected to a source of emf. One of the field lines is colored red. What can you conclude about the currents inside the permanent magnet within the region enclosed by this field line? (i) There are no currents inside the magnet; (ii) there are currents directed out or the plane of the page; (iii) there are currents directed into the plane of the page; (iv) not enough information is given to decide.
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Chapter 28 Solutions
University Physics with Modern Physics, Volume 1 (Chs. 1-20) (14th Edition)
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