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Measuring the temperature-dependency of a noble-metal resistor

Measuring the temperature-dependency of a noble-metal resistor

VP7.2.2.1

Resistance against temperature (P7.2.2.1)

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Description

The experiments P7.2.2.1 and P7.2.2.2 measure the resistance values as a function of temperature using a Wheatstone bridge. The computer-assisted CASSY measured-value recording system is ideal for recording and evaluating the measurements. For the noble metal resistor, the relationship

is verified with sufficient accuracy in the temperature range under study. For the semiconductor resistor, the evaluation reveals a dependency with the form

with the band spacing E = 0.5 eV.

Components of equipment sets

1	58680 4	Noble metal resistor
1	55581 8	Electric oven for tubes, 230 V
1	524013 8	Sensor-CASSY 2
1	524220 4	CASSY Lab 2
1	5240673 4	NiCr-Ni adapter S, type K
1	529676 4	Temperature probe, NiCr-Ni, 1.5 mm, type K
1	524031	Current source box
1	502061 4	Safety connecting box, with earth
1	500614 4	Safety experiment cable, 25 cm, black
1	500621 4	Safety experiment cable, 50 cm, red
1	500622 4	Safety experiment cable, 50 cm, blue
1		additionally required: PC with Windows XP/Vista/7/8/10 (x86 or x64)

Experiment Instructions

PDF (Description from CASSY Lab)

P7.2.2.1 Measuring the temperature-dependency of a noble-metal resistor

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Measuring the temperature-dependency of a noble-metal resistor

Description

Components of equipment sets

Experiment Instructions

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