Redox Reactions and Electrochemistry: JEE Main 2026 Chemistry question

For strong electrolyte $\Lambda_m$ increases slowly with dilution and can be represented by the equation $\Lambda_m = \Lambda_m^\circ - Ac^{1/2}$. Molar conductivity values of the solutions of strong electrolyte AB at 18°C are given below : c [mol L$^{-1}$] : 0.04, 0.09, 0.16, 0.25 ; $\Lambda_m$ [S cm$^2$ mol$^{-1}$] : 96.1, 95.7, 95.3, 94.9. The value of constant A based on the above data [in S cm$^2$ mol$^{-1}$/(mol/L)$^{1/2}$] unit is ________.