Question

The thermal conductivity of aluminium is
0.5 cal cm's-loc-.The thermal resistance (in s °C/kcal
of an aluminium rod of length 20 cm and diameter 4 cm is
(a) 6.36 x 103
(b) 12.72 x 10
(c) 3.18 x 103
(d) 1.59 x 10​

Answer 1

Answer:

law for linear heat flow in a homogeneous, isotropic substance: Q = -NA" ... pcraturc gradient, and X is the thermal conductivity coefficient. ... 2 5 10 20 50 100 200 500 1000 2000