JEE Main 22 July 2021 Shift 2 Solved Paper

A Copper (Cu) rod of length 25cm and crosssectional area 3mm2 is joined with a similar Aluminium (Al) rod as shown in figure. Find the resistance of the combination between the ends A and B.
(Take Resistivity of Copper =1.7×10−8Ωm Resistivity of Aluminium =2.6×10−8Ωm )