Which question can be answered based on the results of Experiment 2?

a
How does the voltage of an electromagnet vary when the strength of the paper clips changes?
b
How does the strength of an electromagnet vary when the voltage of the power source changes?
c
How does the strength of an electromagnet vary when the number of paper clips changes?
d
How does the voltage of an electromagnet vary when the number of coils of wire changes?

1 answer

c
How does the strength of an electromagnet vary when the number of paper clips changes?