Determine the Length of a Copper Wire That Has a Resistance

question 80

Multiple Choice

Determine the length of a copper wire that has a resistance of 0.172 and cross-sectional area of 7.85 × 10^-⁵ m².The resistivity of copper is 1.72 × 10^-⁸ 11ec9df8_b514_280c_8d20_295ba371075e_TB6393_11 × m.

• A)873 m
• B)250 m
• C)78.5 m
• D)785 m
• E)6570 m

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Definitions:

Saturated Fats

Saturated fats are a type of dietary fat found in animal products and some tropical oils, which are solid at room temperature and can influence cholesterol levels.

Coconut

A tropical fruit with a hard shell, edible white flesh, and a clear liquid inside, known for its nutritional and culinary uses.

Inorganic Substances

Chemical compounds that do not include carbon-hydrogen bonds, often minerals or substances not derived from living organisms.

Minerals

Natural, inorganic substances with a definite chemical composition and crystal structure, crucial for human health and used in various industrial processes.