Heat is conducted through a slab of thickness 2 cm. The temperature varies linearly from 500 K on the left face to 300 K on the right face. If the rate of heat transfer is 2 kW, determine the rate of entropy transfer dS/dt (magnitude only) at the
(a) Left.
(b) Right faces.
(c) Plot how the rate of entropy transfer varies from the left to the right face.