When thermal energy is conducted steadily through a uniform slab of cross-sectional…
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
When thermal energy is conducted steadily through a uniform slab of cross-sectional area A and thickness L, which of the following quantities is directly proportional to the rate at which energy is transferred?
(a) the ratio LA
(b) the product kL
(c) the product AΔT
(d) the product AL