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Hitman42 [59]
3 years ago
11

You have given a power supply, copper wire, and an iron nail. What should you do to decrease the strength of the electro magnet?

Physics
1 answer:
Shkiper50 [21]3 years ago
8 0
If you wrap some of the wire around the nail in one direction and some of the wire in the other direction, the magnetic fields from the different sections fight each other and cancel out, reducing the strength of your magnet.
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