Basic Concept of Thermal Conductivity.

Classical Mechanics Level 3

The given figure shows a composite slab of three different materials, a, b, and c with identical thickness and with thermal conductivity k b > k a > k c k_b > k_a > k_c . The transfer of energy through them as heat is non-zero and steady. The temperature difference across material a, b and c are Δ T 1 \Delta T_1 , Δ T 2 \Delta T_2 and Δ T 3 \Delta T_3 respectively. Then :

Δ T 1 = Δ T 2 = Δ T 3 \Delta T_1 = \Delta T_2 = \Delta T_3 Δ T 3 < Δ T 1 < Δ T 2 \Delta T_3 < \Delta T_1 < \Delta T_2 Δ T 1 < Δ T 2 < Δ T 3 \Delta T_1 < \Delta T_2 < \Delta T_3 Δ T 2 < Δ T 1 < Δ T 3 \Delta T_2 < \Delta T_1 < \Delta T_3

Ťånåy Nårshånå by Ťånåy Nårshånå , 24, India

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