Question

The two ends of a metal rod are maintained at temperatures 100$^{\circ}$C and 110$^{\circ}$C. The rate of heat flow in the rod is found to be 4.0 J/s. If the end are maintained at temperatures 200$^{\circ}$C and 210$^{\circ}$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

Answer: (B)

4.0 J/s

Answer 2

(b)