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31 August, 17:09

Which of the following describes what will happen if an iron core is inserted into a coil of wire? The wire will have a larger magnetic field. The iron core will become magnetized. The wire will have a smaller magnetic field. The core will become smaller.

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  1. 31 August, 20:16
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    If there happens to be an electric current flowing in the wire, then the core will become magnetized. Otherwise, nothing will happen.
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