A metal rod of area of cross section A has length `L` and coefficient of thermal conductivity `K` the thermal resistance of the rod is .

If l is the length, A is the area of cross-section and K the thermal conductivity, then the thermal resistance of the block is given by

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

The heat is flowing through a rod of length 50 cm and area of cross-section 5cm². Its ends are respectively at 25°C and 125°C. The coefficient of thermal conductivity of the material of the rod is 0.092 kcal / m×s×°C. The temperature gradient in the rod is

The heat is flowing through a rod of length 50 cm and area of cross-section 5cm^(2) . Its ends are respectively at 25^(@)C and 125^(@)C . The coefficient of thermal conductivity of the material of the rod is 0.092 kcal // m × s ×.^(@) C . The temperature gradient in the rod is