The molar conductivity of a conductivity cell filled with 10 moles of $20 {mL} {NaCl}$ solution is $\Lambda_{m 1}$ and that of 20 moles another identical cell heaving $80 {mL} {NaCl}$ solution is $\Lambda_{m 2}$. The conductivities exhibited by these two cells are same. The relationship between $\Lambda_{m 2}$ and $\Lambda_{m 1}$ is [25-Jul-2022-Shift-2]

$\Lambda_{m 2}=2 \Lambda_{m 1}$

$\Lambda_{m 2}=\Lambda_{m 1} \/ 2$

$\Lambda_{m 2}=4 \Lambda_{m 1}$