History, 08.10.2020 05:01, morgannwaldrupp
Why does a compass needle change the direction it’s pointing when you bring it near a wire that has current running through it?
a. The current in the wire produces a magnetic field that the compass needle reacts to
b. The compass needle is reacting to electrons leaving the wire
c. The wire has a positive charge and attracts the negative charge in the compass needle
d. The wire has a negative charge and attracts the negative charge in the compass needle
Answers: 3
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