Multiple choice

In a composite slab, the temperature at the interface (Tinter) between two materials is equal to the average of the temperatures at the two ends. Assuming steady one-dimensional heat conduction, which of the following statements is true about the respective thermal conductivities?

  1. 2k1 = k2

  2. k1 = k2

  3. 2k1 = 3k2

  4. k1 = 2k2

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation