Graphing Resistivity (10:29)
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What data is needed on the x and y axes of a graph that will have a straight, best-fit line with a slope equal to the resistivity of nichrome? We collect the data and answer this question.
This is an AP Physics 1/JEE/NEET Topic. Content Times: 0:01 The nichrome wire 0:40 Determining what goes on the axes 2:18 Determining cross-sectional area 3:01 Understanding what “L” really is. 4:46 Collecting the data 5:39 Why I decreased ΔV as L decreased 7:18 An incandescent lightbutb 7:55 Completing the data table and graph 9:24 Why the y-intercept is not zero |
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