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Current Electricity question

2023 · 24 Jan · Shift 1 · Q63
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Current Electricity question

2023 · 24 Jan · Shift 1 · Q63

JEE MainPhysicsCurrent ElectricityNumerical+4 / −1
A hollow cylindrical conductor has length of 3.14 m, while its inner and outer diameters are 4 mm and 8 mm respectively. The resistance of the conductor is n×10−3Ωn\times10^{-3}\Omegan×10−3Ω. If the resistivity of the material is 2.4×10−8Ωm\mathrm{2.4\times10^{-8}\Omega m}2.4×10−8Ωm. The value of nnn is ‾\underline{\hspace{2cm}}​.
Numerical answer
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