Self-heating and temperature sensitivity in wire-wound resistors

LP3.3.6.1
Self-heating and temperature sensitivity in wire-wound resistors
Self-heating and temperature sensitivity in wire-wound resistors

Description

The students explore the way in which the resistance of a metal changes when it is heated. To do this, they use different wires of different alloys and realise that the temperature dependence of the resistance is material-specific.

Components of equipment sets

1 56718  4 
Wrapping plate for wires LD
1 57913  8 
Toggle switch STE 2/19 LD
1 57681  4 
Plug-in board safety socket, 20/10 LD
2 500621  4 
Safety experiment cable, 50 cm, red LD
1 500624  4 
Safety experiment cable, 50 cm, black LD
2 500622  4 
Safety experiment cable, 50 cm, blue LD
1 500622  4 
Safety experiment cable, 50 cm, blue LD
2 531120
Multimeter LDanalog 20 LD
1 521487  8 
AC/DC power supply PRO 0...12 V/3 A LD
1 55047  8 
Chrome-nickel resistance wire, 0.35 mm diameter, 100 m LD
1 55051  4 
Iron resistance wire, 0.2 mm diameter, 100 m LD
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