Which of these produces a magnetic field having about the same general shape as the magnetic field of the earth? All of these choices produce the same general shape. A single current loop. A proton moving in a circular path. A simple bar magnet.
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Which of these produces a magnetic field having about the same general shape as the magnetic field of the earth? All of these choices produce the same general shape. A single current loop. A proton moving in a circular path. A simple bar magnet.
