Description

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

1. Determine the electrical conductivity of copper and aluminium by recording a current-voltage characteristic line.
2. Test of the Wiedmann-Franz law.

Learning objectives

• Electrical conductivity
• Resistivity
• Wiedmann-Franz law
• Lorenz number
• Four-point measurement

Scope of Delivery