Which of these characteristics does NOT apply to the rate of heat flow?

Question

Quizplus · Accepted Answer

The rate of heat flow is inversely proportional to the length over which heat flows, not the square of the length. This is described by Fourier's law of heat conduction, where the rate of heat transfer through a material is directly proportional to the negative gradient in the temperature and to the area, but inversely proportional to the thickness of the material (length over which heat flows), not the square of this length.

Which of These Characteristics Does NOT Apply to the Rate