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. Reversing the direction of the current flow.
b. Replacing the iron nail with one made of plastic.
c. Changing the battery to a 3.0V battery.
d. Doubling the number of times the wire wraps around the nail.
1 answer
d. Doubling the number of times the wire wraps around the nail.
1 answer