Chemistry, 14.03.2020 02:39 marleacorey

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Darwin is given an iron nail, a wooden pencil, a glass rod, a piece of copper wire, a 1.5-volt battery, and a 5-volt battery in order to make an electromagnet. Which combination of materials would allow Darwin to make the strongest electromagnet?

A. iron nail, copper wire, 1.5-volt battery
B. iron nail, copper wire, 5-volt battery
C. wooden pencil, copper wire, 5-volt battery
D. wooden pencil, copper wire, 1.5-volt battery

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