Question
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of the following would increase the strength of the magnetic field produced?
a
Replacing the iron nail with one made of plastic.
b
Changing the battery to a 3.0V battery.
c
Reversing the direction of the current flow.
d
Doubling the number of times the wire wraps around the nail.
a
Replacing the iron nail with one made of plastic.
b
Changing the battery to a 3.0V battery.
c
Reversing the direction of the current flow.
d
Doubling the number of times the wire wraps around the nail.
Answers
GPT 3.5
d
Doubling the number of times the wire wraps around the nail.
Doubling the number of times the wire wraps around the nail.
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