Two resistance wires A and B of same material are connected

Last updated: 6/12/2023

Two resistance wires A and B of same material are connected in series It is given that Lengths of resistance wires are 21 1 1 Areas of resistance wires are A A A A Temperature coefficients of resistance wire a a and a 2a When resistance wires are connected in series then temperature coefficient of composite conductor is Na Find the value of N