In the mathematical expression that gives the rate of energy transfer by conduction…
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
In the mathematical expression that gives the rate of energy transfer by conduction through a uniform rod, the rate is inversely proportional to which of the following quantities?
(a) the square of the length L2 of the rod
(b) the thermal conductivity k of the material
(c) the length L of the rod
(d) the cross-sectional area A of the rod