Practical: Factors affecting R (paper)

IB Physics: Practical: Factors affecting R (paper)

In this practical a strip of conductivity paper will be used to show how the resistance of a conductor is related to it"s length, and cross sectional area.The resistance of a conductor is given by the equationWhere ρ = resistivityL = lengthA = Cross sectional areaThe shape of the piece of conducting paper is a rectangle with thickness t so the cross sectional area is w x t1. Dependence on A


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