The students in Mr. Jones' class designed their own electromagnetic with a copper wire, a D battery, and a large iron nail. All of the students were excited that their large nail was able to pick up approximately 18 small nails. How can you change the design of the experiment in order for the students to be able to pick up MORE small nails?

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1 point
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Use fewer turns of copper wire and a C battery
Use a lower voltage battery
Use a larger nail
Use a higher voltage battery

1 answer

Use a larger nail