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29. It is a material made by winding a coil of wire around an iron nail allowing electricity to flow through it. A. battery enhancer C. electromagnet B. supercircuit D. magnetic field

Answer

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Sagot :

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Answer:

c.electromagnet

Explanation:

electromagnet: A magnet made of an insulated wire coiled around an iron core (or any magnetic material such as iron, steel, nickel, cobalt) with electric current flowing through it to produce magnetism. The electric current magnetizes the core material. electromagnetism: Magnetism created by an electric current