Question

Two ends of a conducting rod of varying cross-section are maintained at 200⁰C and 0⁰C respectively. In steady state –

• A. Temperature difference across AB and CD are equal
• B. Temperature difference across AB is greater than that of across CD
• C. Temperature difference across AB is less than that of across CD
• D. Temperature difference may be equal or different depending on the thermal conductivity of the

Answer 1

Answer: (C)

Temperature difference across AB is less than that of across CD

Answer 2

Conceptnal.