Possible answers:
[i] a prism.
[ii] energy.
[iii] tube.
[iv] two.
[v] chemicals.
[vi] magnet.
[vii] squeeze.
[viii] coiled.
Given those answer options, answer the question: Fact 1: Amagnet moving in a coil of copper wire can cause an electric current. Fact 2: Electricity is passed through the copper to magnetize the core. Given the two facts above, what is used with copper to produce current?
A:
[vi]