Questions: A magnet always has a north and a south pole. How did we arrive at this labeling convention?

Transcript text: A magnet always has a north and a south pole. How did we arrive at this labeling convention?

Solution

Step 1: Identify the Correct Answer

Evaluate each option to determine which one accurately describes the labeling convention for the poles of a magnet.

Step 2: Evaluate Option (A)

Option (A) is historically inaccurate and seems to be a fictional story involving Napoleon and his cousin Salome.

Step 3: Evaluate Option (B)

Option (B) states that the north side of the magnet is attracted to the geographic North Pole. This is incorrect because the geographic North Pole and the magnetic North Pole are not the same.

Step 4: Evaluate Option (C)

Option (C) attributes the labeling convention to General Oliver North, which is historically inaccurate and not related to the scientific basis of magnetism.

Step 5: Evaluate Option (D)

Option (D) correctly states that the north side of the magnet is attracted to the magnetic North Pole. This is the accurate scientific explanation for the labeling convention of magnet poles.

Step 6: Conclusion

Based on the evaluations, Option (D) is the correct answer. The north side of the magnet is labeled as such because it is attracted to the magnetic North Pole.

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