(b) Which substances are used for
making electromagnets?
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Answered by
15
Answer:
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.
Answered by
1
Answer:
Iron, Steel, Nickel, Cobalt
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