Which one of the following expressions gives the thermal resistance of a slab of thickness

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

Which one of the following expressions gives the thermal resistance

R

of a slab of thickness

L

, cross-sectional area

A

and thermal conductivity

k

? (a)

\displaystyle \frac{2L}{kA}

(b)

\displaystyle \frac{L}{k}

(c)

\displaystyle \frac{L}{kA}

(d)

\displaystyle \frac{L}{2kA}