Atable has several directional compasses, several lengths of wire, a battery, an ammeter, a light bulb, a battery holder and a rubber eraser.
a student is asked to create an electric motor. looking at the materials provided, what other materials would they need?
a) an armature
b) an iron nail.
reactivate
c) a permanent magnet
reactivate
d) an electric generator.
Answers: 2
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