New Microsoft Office Word 97 - 2003 Document (5)

New Microsoft Office Word 97 - 2003 Document (5) -...

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Experiment 7: Coefficient of Linear Expansion Abstract Using an expansion apparatus which included fastened clips and a multimeter,  my lab  partner and I  measured the expansion of three solid rods of copper, aluminum and steel, as  well as its respective temperatures and their parameters as the objects temperature increased  by a boiler.  Based on this data, we were able to calculate the coefficient of linear expansion to  their values to nearly their given value. Objectives Finding the linear thermal expansion coefficients for different objects and their error analysis Data Table 1 – Experimental Data Tube  Materia l Length  (mm) Initial  Gauge  Positio n (mm) Final  Gauge  Positio n (mm) ΔL  (10 -3  m) R room (k ) Ω R hot  (k ) Ω T room  (°C) T hot  (°C) ΔT  (°C) Cu 700 .10 .105 .95 103.4 12.35 24.8 77.5 52.7 Steel 703 .11 .76 .65 98.7 9.67 25.3 83.2 57.9 Al 700 .89 .76 .13
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New Microsoft Office Word 97 - 2003 Document (5) -...

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