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Measuring the temperature-dependency of a semiconductor resistor

Measuring the temperature-dependency of a semiconductor resistor

VP7.2.2.2

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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	586821	Semiconductor resistor, 5 kΩ
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)

P7.2.2.2 Measuring the temperature-dependency of a semiconductor resistor

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Measuring the temperature-dependency of a semiconductor resistor

Description

Components of equipment sets

Experiment Instructions

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