Which question can be answered based on the results of Experiment 2?A. How does the strength of an electromagnet vary when the voltage of the power source changes?B. How does the strength of an electromagnet vary when the number of paper clips changes?C. How does the voltage of an electromagnet vary when the strength of the paper clips changes?D. How does the voltage of an electromagnet vary when the number of coils of wire changes?

Answer 1

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