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Wiedemann–Franz law

2:05

Drude & Lorentz Free Electron Theory and Wiedemann Franz Law

2:51

Thermoelectric Effects 6: Wiedemann-Franz Law

0:31

What is widemann Franz law in short?

2:19

Weidemann-Franz law

3:26

Thermoelectric Effects 9: Limitations to the Weidemann-Franz Law

In physics, the Wiedemann–Franz law states that the ratio of the electronic contribution of the thermal conductivity (κ) to the electrical conductivity (σ) of a metal is proportional to the temperature (T).
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    • Derivation 

    • Temperature dependence 

    • Limitations of the theory 

    • Violations 

    • Wiedemann-Franz law for molecules