Jee Main
Current Electricity
JEE Main 2023 (Online) 24th January Morning Shift
INTEGER+4 / -12023
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 \(n\times10^{-3}\Omega\). If the resistivity of the material is \(\mathrm{2.4\times10^{-8}\Omega m}\). The value of \(n\) is ___________.