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