12 An arrangement consisting of slabs is shown in the figure

Last updated: 6/10/2023

12 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 d d k 2k 26 a nk nl 2 21 nl d k 2k nk d 4 daxhr