ASSESSING RESISTANCE LENGTH EFFECT OF A COPPER WIRE USING OHM’S LAW
Abstract
This experiment assessed the resistance of a copper wire effect using Ohm’s law.
Resistance is a fundamental property of materials that opposes the flow of electric
current. According to Ohm's law, resistance (R) is directly proportional to the
length (L) of a conductor, where R = ρ(L/A), with ρ representing the resistivity and
A the cross-sectional area of the wire. Copper, being a well-known conductor,
serves as the material for this study. By varying the length of the copper wire and
measuring the corresponding current and voltage, the relationship between length
and resistance is determined. The results are expected to show that as the length of
the copper wire increases, the resistance also increases, in accordance with the
theoretical prediction. This study aims to deepen the understanding of how
geometric factors influence electrical resistance in conductive materials.
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