Question

parker wound a wire around a large iron nail. he then created an electromagnet by connecting the ends of the wire to different batteries. the table shows the current he measured for each electromagnet. which conclusion is best supported by the data? electromagnet w is the strongest. electromagnet x is weaker than electromagnet z. electromagnet y is the strongest. electromagnet y is weaker than electromagnet x.

Explanation:

To determine the strongest electromagnet, we use the relationship between current and electromagnet strength: a higher current generally means a stronger electromagnet. The currents are: W (2 A), X (5 A), Y (8 A), Z (3 A). Comparing these, Y has the highest current (8 A), so it should be the strongest. Let's check other options: W has the lowest current, so it's the weakest (first option wrong). X (5 A) has a higher current than Z (3 A), so X is stronger than Z (second option wrong). Y (8 A) has a higher current than X (5 A), so Y is stronger than X (fourth option wrong).

Answer:

Electromagnet Y is the strongest.