Which of the following will increase the strength of a copper electromagnet

A. Adding more loops to the wire

B. Using DC current (like from a battery) instead of AC current (like from the wall)

C. Increasing the current

D. Wrapping the copper wire around an iron nail

E. Using gold instead

Question

26 July, 13:30

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Answers (1)

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Araceli Kramer · Answer 1

The correct answer is A: increasing the current, D: wrapping the copper wire around an iron nail, and E: adding more loops to the wire

Which of the following will increase the strength of a copper electromagnetA. Adding more loops to the wireB. Using DC current (like from a battery) instead of AC current (like from the wall)C. Increasing the currentD. Wrapping the copper wire around an iron nailE. Using gold instead