The length and area of cross-section of a copper wire are respectively 30 m and 6 \times 10^{-7} {\m}^2. If the resistivity of copper is 1.7 \times 10^{-8} Ω {\m}, then the resistance of the wire is [AP EAPCET 22 May 2025 S2]

Current Electricity

Section: Physics

Question : 8 of 37

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The length and area of cross-section of a copper wire are respectively 30 m and 6×10−7m2. If the resistivity of copper is 1.7×10−8Ωm, then the resistance of the wire is

[AP EAPCET 22 May 2025 S2]

0.51Ω
0.68Ω
0.85Ω
0.75Ω

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