The Electrical Resistivity of Graphite

The resistance should increase linearly with the separation of the probes because the resistance is proportional in length. Therefore, a straight-line graph should result. Now determine the slope of the line. Since R= L/A, the slope of a graph of R vs. L is /A. C. The relationship between resistance and width. 3. Draw a line about 8-mm wide and ... ................
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