engineering recuitment DVC Junior Engineer Mock Test 2024 Heat Transfer Conduction Fourier Law and Thermal Conductivity
As per Fourier law of heat conduction in one dimension, which is correct
(K: Thermal conductivity, A: Area of cross section, T: Temperature x: co-ordinate along the direction of heat flow)
1
\(– kA \frac{dT}{dx}\)
2
\(kA \frac{dT}{dx}\)
3
\(– kA \frac{dx}{dT}\)
4
\(kA \frac{dx}{dT}\)