Resistance of wires - dependence on the length and cross-section

Product No: P1372560

Principle

The resistance of a short thick wire is different to that of a long thin one.

Tasks

Examine how the value of the resistance of a wire depends on its length and cross-sectional area.




Materiallist (Excerpt) Product Amount
Software Cobra4 - multi-user licence 14550-61 1
Cobra4 Wireless-Link 12601-00 1
Power supply 0...12 V DC/ 6 V, 12 V AC, 230 V 13505-93 1
Cobra4 Sensor-Unit Electricity, current ± 6 A/ voltage ± 30V 12644-00 1
Cobra4 Wireless Manager 12600-00 1
On-off switch module, SB 05602-01 1
Interrupted connector module, SB 05601-04 2
Straight connector module with socket, SB 05601-11 2
Angled connector module with socket, SB 05601-12 2
Straight connector module, SB 05601-01 3
Angled connector module, SB 05601-02 2
Constantan wire, 6.9 Ohm/m, d = 0.3 mm, l = 100 m 06101-00 1
Constantan wire, 4 Ohm/m, d = 0.4 mm, l = 50 m 06102-00 1
Constantan wire, 15.6 Ohm/m, d = 0.2 mm, l = 100 m 06100-00 1
Connecting plug, 2 pcs. 07278-05 1
Alligator clips, bare, 10 pcs 07274-03 1
Connecting cord, 32 A, 500 mm, red 07361-01 1
Connecting cord, 32 A, 500 mm, blue 07361-04 1
Connecting cord, 32 A, 250 mm, red 07360-01 2
Connecting cord, 32 A, 250 mm, blue 07360-04 2

Literature for this article als follows

Title Product Language
TESS und Demo advanced Handbuch Cobra4 Physik, Chemie, Biologie, Alltagsphänomene 01330-01 DEU
TESS and Demo advanced Manual Cobra4 Physics, Chemistry, Biology, Everyday Science 01330-02 ENG
TESS advanced Physik Handbuch Cobra4 Mechanik, Wärme, Elektrik / Elektronik 01332-01 DEU
TESS advanced Physics Manual Cobra4 Mechanics, Heat, Electricity / Electronics 01332-02 ENG

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Product No: P1372560

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