Mathematics · Current and Resistance
A copper wire has a resistance of 2 × 10-2 Ω. If its length is 2 m and its cross-sectional area is 1.7 × 10-6 m2, what is the resistivity of the copper?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.7 × 10-6 Ω·m
- 22.0 × 10-2 Ω·m
- 31.7 × 10-8 Ω·m✓
- 43.4 × 10-8 Ω·m
Correct answer
1.7 × 10-8 Ω·m
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