Consider Two Copper Wires with Circular Cross-Sections and Equal Lengths $1 / 3$

question 81

Multiple Choice

Consider two copper wires with circular cross-sections and equal lengths. One wire has 3 times the diameter of the other. How do the resistances of these two wires compare?

• A) The thicker wire has \(1 / 3\) the resistance of the thinner wire.
• B) The thicker wire has 9 times the resistance of the thinner wire.
• C) The thicker wire has 3 times the resistance of the thinner wire.
• D) The thicker wire has \(1 / 9\) the resistance of the thinner wire.
• E) The thicker wire has \(\sqrt { 3 }\) times the resistance of the thinner wire.

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Definitions:

Kiva Form

A ceremonial structure fundamental to the ancient Pueblo cultures in the American Southwest, traditionally circular in shape and semi-subterranean, used for religious rituals.

Semi-subterranean

Refers to buildings or structures that are partially below ground level, commonly used for thermal efficiency or protection.

North American Southwest

A geographical region of the United States characterized by its desert climates, significant Native American history and culture, and landmarks such as the Grand Canyon.

Feathered Serpent

A mythological creature or deity found in various Mesoamerican cultures, often associated with Quetzalcoatl among the Aztecs and Kukulkan among the Maya, symbolizing fertility and the cosmic balance.