A metallic wire’s resistance is?

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1. A metallic wire’s resistance is?

Directly proportional to its length, and inversely proportional to its cross-sectional area

Inversely proportional to the product of its length and cross-sectional area

Inversely proportional to its length, and directly proportional to its cross-sectional area

Directly proportional to the product of its length and cross-sectional area

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Resistance follows R = ρL/A — it rises with a longer wire, and falls with a thicker cross-section, for a fixed material.