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You wrap a wire around a piece of iron. If you slowly increase the strength of an electric current flowing through the wire, you would expect _____.

Athe magnet to become stronger
Bthe magnet to stop producing a field
Cthe wire to move
Dthe wire to unwrap

Verified Answer :

WorldlyGlass49

The correct answer is A. the magnet to become stronger

The stronger the electric current in the piece of metal, the stronger the magnetic field will be.

If we wrap a wire around a piece of iron. If we slowly increase the strength of an electric current flowing through the wire, as a result  the magnetic field become stronger so the most appropriate answer will be A. the magnet to become stronger. 

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