Rate of heat flow through a cylindrical rod is `H_(1)`. Temperatures of ends of rod are `T_(1)`
Channel: Doubtnut
Date: 2021-11-02

Rate of heat flow through a cylindrical rod is `H_(1)`. Temperatures of ends of rod are `T_(1)` and `T_(2)`. If all the dimensions of rod become double and temperature difference remains same and rate of heat flow becomes `H_(2)`. Then `(H_(1))/(H_(2))` is `0.x`. Find value of x.