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.
A 2-column table with 4 rows. The first column labeled Electromagnet has entries W, X, Y, Z. The second column labeled Current (Amperes) has entries 2, 5, 8, 3.
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.
The largest current, Y , is the strongest magnet
Oran wants to model the behavior of Earth’s magnetic field when Earth’s magnetic south is near Earth’s geographic north using a ball, a bar magnet, and a compass. He designates the top of the ball as Earth’s geographic north.
Which model in the table would most likely represent Oran’s model?
Model 1
Model 2
Model 3
Model 4
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To determine which conclusion is best supported by the data, let's analyze the information provided in the table.
The table shows the current measured for each electromagnet, labeled W, X, Y, and Z. The current is measured in Amperes.
Based on the data in the table, we can see that the current (Amperes) for each electromagnet is given as 2, 5, 8, and 3, respectively.
Now, let's evaluate each conclusion:
1. Electromagnet W is the strongest: We cannot directly conclude that electromagnet W is the strongest based solely on the current values. To determine the strength, we need additional information, such as the number of wire turns or the magnetic field generated.
2. Electromagnet X is weaker than electromagnet Z: Comparing the current values, electromagnet X has a current measurement of 5, while electromagnet Z has a current measurement of 3. Based on the current alone, electromagnet X is stronger than electromagnet Z, so this conclusion is not supported by the data.
3. Electromagnet Y is the strongest: Again, we cannot conclude that electromagnet Y is the strongest based solely on the current values. Additional information is needed to determine the strength.
4. Electromagnet Y is weaker than electromagnet X: Comparing the current values, electromagnet Y has a current measurement of 8, while electromagnet X has a current measurement of 5. Based on the current alone, electromagnet Y is stronger than electromagnet X, so this conclusion is not supported by the data.
From the given conclusions, it is clear that none of them are directly supported by the data in the table. Therefore, we cannot draw a definitive conclusion about the relative strengths of the electromagnets based solely on the current measurements.