Biology, 04.03.2021 21:40 8848

Malik wants to create an electromagnet and searches through his house for materials. What combination of materials will generate the strongest electromagnetic field?
1. A piece of wire long enough to make 50 coils.
2. A piece of wire long enough to make 20 coils.
3. One 9 volt battery
4. Three AA batteries that equal 4.5 volts
5. An aluminun bolt
6. An iron bolt

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Malik wants to create an electromagnet and searches through his house for materials. What combinati...

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