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Physics, 25.11.2020 08:10 emmaschloegl21x

Under what conditions does moving electric charge produce a magnetic force in a copper wire?
A. Under any conditions
B. Only when the wire is connected to the magnet
C. Only when the wire is wrapped around an iron bar
D. Only when the wire is coiled

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Under what conditions does moving electric charge produce a magnetic force in a copper wire?
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