Question

Three rods of same material & thickness with BO = CO = $\frac{AO}{2}$. End A& B are maintained at 10°C & 100°C and temperature of C is varied from 65°C to 75°C extremely slowly. Then the correct options is –

• A. Heat always flows from O to C
• B. Heat always flows from C to O
• C. Heat first flows from O to C & then from C to O
• D. Heat first flows from C to O & then from O to C

Answer 1

Answer: (C)

Heat first flows from O to C & then from C to O

Answer 2

At 70⁰C there will be equilibrium.