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Home Q & A Board Science-Related Homework Help High School Level Science
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werstlingbum werstlingbum
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6 years ago
A magnetic field exists in a current-carrying coil of wire
A) if it contains a piece of iron.
B) with or without a contained piece of iron.
C) only if the current changes.
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adam1992adam1992
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6 years ago
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werstlingbum Author
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#2
6 years ago
found this very helpful thank you
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