(D) When a rod reaches a steady state,the temperature at every point along the rod remains constant over time,meaning $\frac{dT}{dt} = 0$. In this sta

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Every point conducts the same amount of heat to its neighboring point at a constant rate.

(D) When a rod reaches a steady state,the temperature at every point along the rod remains constant over time,meaning $\frac{dT}{dt} = 0$. In this state,the amount of heat entering any cross-section of the rod per unit time must equal the amount of heat leaving it. Therefore,every point conducts the same amount of heat to its neighboring point at a constant rate.

Class 11 Physics 10-2.Heat Transfer Basic of Heat Transfer and Conduction

Easy

When the two ends of a metal rod are maintained at different temperatures and after some time every point of the rod attains a constant temperature,then:

A
Heat is conducted through different points of the rod because the temperature does not increase.
B
The rod is a poor conductor of heat.
C
Heat is radiated from every point of the rod.
D
Every point conducts the same amount of heat to its neighboring point at a constant rate.