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Electrical conductivity is flow of electrons between two different points having different electric potentials.

Thermal conductivity is flow of electrons between two different points having different temperatures.

Electrical Conductivity in solids, is purely based on number of free electrons (number of free electrons and holes in semiconductors). But thermal conductivity is based on number of free electrons and also phonons.

Electrical conductivity in liquids and gases is also depends on number of free electrons but thermal conductivity in liquids and gases is because of molecular collision.

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Tavares Cole

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3y ago

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