A student wants you to demonstrate that an electric current will produce a magnetic field. Which set of objects could be used to demonstrate this?
A. A battery, a coil of wire, and some paper clips.
B. A compass, some paper clips, and a battery.
C. A battery, an iron nail, a long copper wire, and some paper clips.
D. An iron nail, a permanent magnet, and a battery.
Answers: 3
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A student wants you to demonstrate that an electric current will produce a magnetic field. Which set...
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