How a wire’s resistance depends on its material, length and cross-section - Digital

LP3.3.3.2C
How a wire’s resistance depends on its material, length and cross-section - Digital
How a wire’s resistance depends on its material, length and cross-section - Digital

Description

In this experiment, the students determine the resistance of different metallic wires. The resistance wires to be studied were chosen in a way that the students realise that the resistance does not only depend on the material, but that length and diameter and thus the cross-sectional area also play a role.

Components of equipment sets

1 57681  4 
Plug-in board safety socket, 20/10 LD
1 50148  4 
Bridging plugs STE 2/19, set of 10 LD
1 56718  4 
Wrapping plate for wires LD
2 579331  4 
Plug-in holder STE LD
1 50186  4 
Crocodile clip, polished LD
1 57913  8 
Toggle switch STE 2/19 LD
1 55046  4 
Chrome-nickel resistance wire, 0.25 mm diameter, 100 m LD
1 55047  8 
Chrome-nickel resistance wire, 0.35 mm diameter, 100 m LD
1 55042  4 
Constantan resistance wire, 0.35 mm diameter, 100 m LD
2 500621  4 
Safety experiment cable, 50 cm, red LD
2 500622  4 
Safety experiment cable, 50 cm, blue LD
1 500624  4 
Safety experiment cable, 50 cm, black LD
1 521488
AC/DC power supply 0...12 V/3 A LD
1 524005W2
Mobile-CASSY 2 WiFi LD
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