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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 _____.
a.the magnet to become stronger
b.the magnet to stop producing a field
c.the wire to move
d.the wire to unwrap

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taskmasters
If you slowly increase the strength of an electric current flowing through the wire, you would expect the magnet to become stronger. The correct option among all the options that are given in the question is the first option or option "a". The magnetic field around the wire becomes stronger. I hope it helps you.
Ckaranja
The magnet to be become stronger since the set up acts as a solenoid.

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