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Physics, 04.03.2021 19:50 tamiaollie

To produce electricity, the loop of wire between the permanent magnets in an electric generator must be moving. Which sentence best explains what makes the motion of the wire necessary? O A. An electric current is induced only if the loop has mechanical energy. B. An electric current exists in the wire only if the magnets have mechanical energy. O C. A magnetic field is induced around the loop only if its electric charges are moving. O D. A magnetic field exists around the magnets only if the loop of wire is moving​

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