Question

Explain why you think heat transfer occurs
through conduction in the picture you have drawn.

Answer 1

Answer:

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➾ How is heat energy transferred by conduction?

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➺Conduction is a mode of heat transfer whereby heat is transferred from high energetic particles to adjacent low energetic particles. In solids two main mechanism cause conduction of heat.

• Lattice vibration
• Transfer through free electrons

➺ For solids the conductivity of material decreases with increasing temperature because at high temperature the molecular structure vibrates which obstruct the free electrons to move.

➺ There are few exceptions to what has been stated above, unlike most electrical insulators diamond is very good conductor of heat and that's because of its strong covalent bonds and low photons scattering. Thermal conductivity of natural diamond was measured to be about 2200 W/(m. K), which is five times more than copper.

Explanation:

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