Technical data

Electrical conductivity of metals

Article no: P2350205

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.

Learning objectives

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

Scope of delivery

Heat conductivity rod, Cu	04518-11	1
Heat conductivity rod, Al	04518-12	1
Rheostat 10 Ohm, 160 W	06110-03	1
PHYWE Multitap transformer DC: 2/4/6/8/10/12 V, 5 A / AC: 2/4/6/8/10/12/14 V, 5 A	13533-93	1
PHYWE Digital multimeter, 600V AC/DC, 10A AC/DC, 20 MΩ, 200 µF, 20 kHz, −20°C…760°C	07122-00	2
PHYWE Universal measuring amplifier	13626-93	1
Connecting cable, 32 A, red, various lengths	07361-01	3
Connecting cable, 32 A, blue, various lengths	07361-04	4
Connecting cable, 32 A, red, various lengths	07363-01	1