april0715 april0715

19-09-2018
Chemistry

contestada

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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zion2fye zion2fye

19-09-2018

B) Moving electric charges

Answer Link

19-09-2018

the answer is B) Moving electric charges

Answer Link

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