Which end of an electromagnet is north?
Solved Suppose that the polarity is reversed in the Figure | Chegg.com
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Is there any difference in using the north or south pole of a magnet?
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Overcoming: Changing Magnetic Polarity
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If the polarity of the magnet is reversed from the north pole to the south pole, and brought furthermore near a coil, what happens to the direction of the induced current? Why? -
