Biology, 16.02.2021 20:00, jonathanmontalv

The student groups constructed and tested the electromagnets. What was key to maximizing the electromagnet's strength? A. The absence or presence of a switch.
B. The length of wire and number of coils.
C. Whether or not the students used an iron core.
D. The size of the battery and amount of electrical energy.

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The student groups constructed and tested the electromagnets. What was key to maximizing the electro...