Fourier’s law for steady one–dimensional heat conduction through a uniform slab of area

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

A

, thickness

L

and temperature difference

\Delta T

is expressed as (a)

\displaystyle \frac{2kA\,\Delta T}{L}

(b)

\displaystyle \frac{kA\,\Delta T}{2L}

(c)

\displaystyle \frac{kA\,\Delta T}{L}

(d)

\displaystyle \frac{4kA\,\Delta T}{3L}