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Identify the concept being described in each item. Write your answer on the blank provided
11. A device in which a magnetic field is produced by an electric current.
12. A British electrical engineer who invented the electromagnet.
13. The year when the electromagnet was invented.
14. The factors that affect the strength of an electromagnet.
15.​

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Answer:

11. Electromagnet

12. William Sturgeon

13. 1825

14. Loop count, the current, the wire size, and the presence of an iron core.

Explanation:

  • An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.
  • British electrical engineer William Sturgeon, a former soldier who began to dabble in the sciences at the age 37, invented the electromagnet in 1825.
  • The four main factors that affect the strength of an electromagnet are the loop count, the current, the wire size, and the presence of an iron core.

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