1 Linear expansion apparatus
1 Aluminum rod 700 mm
1 Brass rod 700 mm
1 Dial gauge 0-10 mm, 0.01 mm
1 Thermometer
1 Beaker
2 Silicone tube 50 cm
2095
Precision linear expansion apparatus
The precision linear expansion apparatus is provided with two metal hollow rods of different materials that are heated by the steam passing through them. The linear expansion of the different metals is measured using a dial gauge, while temperature is measured using a thermometer placed in contact with the rod.
In this way students can obtained all the information necessary to calculate the coefficient of linear thermal expansion.
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