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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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5 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 Underpickled
by
4.9k points

2 Answers

7 votes

the answer is B) Moving electric charges


User MalsR
by
5.9k points
6 votes
B) Moving electric charges
User Mahesh Singh Chouhan
by
5.9k points
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