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What is the requirement for a core to be used in an electromagnet? It must be able to be increased. It cannot be magnetized. It must be an ion. It must be able to be magnetized.
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What is the requirement for a core to be used in an electromagnet? It must be able to be increased. It cannot be magnetized. It must be an ion. It must be able to be magnetized.

User Jsotola
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The answer is that it must be able to be Magnetized

User Aaron Douglas
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