An arrangement consisting of slabs is shown in the figure

Last updated: 6/13/2023

An arrangement consisting of slabs is shown in the figure When system is placed in situation a with temperature difference is maintained between 1 2 equivalent thermal conductivity of system is K and when system is changed to situation b and temperature difference is maintained between 3 4 then equivalent thermal conductivity increases by 20 Find number of slabs in the arrangement P 2k nk n 2 n 2k nk b 4