# In addition the slope tau divided by the resistance

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the RC Circuit. In addition the slope, tau divided by the resistance, is the equation to calculate the value of the capacitance. Knowing this, the value of the slope is what I expected. Which would be more appropriate? What if there is some systematic error? Try both and discuss the results. modelfun1 = @(p, x)p(1).* x; modelfun2 = @(p, x)p(1).* x + p(2); The second equation appears to be more appropriate because unlike equation 1, it takes into consideration the value p(2) which is the value of B. This is important because B represents the vertical shift of the graph and without taking such value into consideration, the line of fit would be lower than it should be. In addition, if there was some systematic error the addition of p(2) into the equation makes up for it since the equation considers every value necessary for the creation of a best fit graph. Conclusion: In this lab experiment, a main source of systematic error comes from the calipers. The calipers have a super small uncertainty and doing numerous measurements would not improve it uncertainty. On the other hand, some sources for random error are the steadiness of the hands when measuring the capacitance of the capacitor and set up of our book while measuring capacitance. To minimize the errors due to the unsteadiness of the hands while measuring the capacitance, we could have had like a book under our hand to rest on so it would not be moving much. I don’t think having a book for the hand to rest on will impact the measurement of the capacitance therefore it is a method to consider. Another thing we could have done to possibly minimize the error during the lab is to make sure the distance in between the capacitor is correct because we would sometimes move it or the book would suddenly tips over sometimes thus changing the distance between the parallel plates of the capacitor.
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