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What produces magnetic fields? A. a built-up electric charge B. moving electric charges C. a wire wound around a bar magnet D. two electrical insulators connected together
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3 votes
What produces magnetic fields?

A.
a built-up electric charge
B.
moving electric charges
C.
a wire wound around a bar magnet
D.
two electrical insulators connected together

User SparK
by
3.6k points

1 Answer

5 votes
b. moving electric charges, hope this helps :)
User Jignesh Gohel
by
4.5k points
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