Question

The Two ends of a metal rod are maintained at temperatures 100°C and 110°C. The rate of heat flow in the rod is found to be 4.0 J/s. If the ends are maintained at temperatures 200°C and 210°C, the rate of heat flow will be

(a) 8.0 J/s

(b) 4.0 J/s

(c) 44.0 J/s

(d) 16.8 J/s

Answer 1

Correct option  (b) 4.0 J/s