railway RRB JE (CBT I + CBT II) Mock Test 2024 Heat Transfer Conduction Fourier Law and Thermal Conductivity
The rate of flow of heat through a simple homogeneous solid is directly proportional to the area of the section at right angles to the direction of heat flow, and _______.
1
change of temperature with respect to the length of the path of the heat flow.
2
change of energy with respect to the length of the path of the heat flow.
3
change of time with respect to the length of the path of the heat flow.
4
change of pressure with respect to the length of the path of the heat flow.