What should be the length of steel and copper rods at `0^(@)C` that the length of steel rod is 5 cm
Channel: Doubtnut
Date: 2020-08-02

What should be the length of steel and copper rods at `0^(@)C` that the length of steel rod is 5 cm longer than copper at all termperature? Given `alpha_(Cu) = 1.7 xx 10^(5) .^(@)C^(-1)` and `alpha_(steel) = 1.1 xx 10^(5) .^(@)C^(-1)`.