Principle

The electrical conductivity of copper and aluminium is determined and the Wiedmann-Franz law is tested.

Benefits


Easy and precise measurement of the electrical conductivity

Compact, easily transportable setup


Tasks


Determine the electrical conductivity of copper and aluminium by recording a current-voltage characteristic line.

Test of the Wiedmann-Franz law.


What you can learn about


Electrical conductivity

Resistivity

Wiedmann-Franz law

Lorenz number

Four-point measurement