The first electromagnet is strongest because it has the greatest number of turns.
What are electromagnets?
Electromagnets are devices which operate as a result of the interaction between magnetic and electrical fields.
The strength of the electromagnet is directly proportional to the current and the number of turns in the electromagnet.
Therefore, the first electromagnet is strongest because it has the greatest number of turns.
Learn more about electromagnets at: https://brainly.com/question/12555869
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