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Fewer coils of wire around the ferromagnetic core
A. stronger electromagnet
B. weaker electromagnet
1 answer
B. weaker electromagnet
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A. stronger electromagnet B. weaker electromagnet
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pure iron or steel ferromagnetic core/screw.
A. stronger electromagnet B. weaker electromagnet
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How can you change the strength of of an electromagnet? There are four answers for each column.
Stronger electromagnet// Weaker
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