a) Resistivity

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4 Terms

1
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  • the relationship between the resistance and the length of a wire


  • resistance is directly proportional to the length of a wire


2
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  • the relationship between the resistance and the cross-sectional area of a wire


  • resistance is inversely proportional to the cross-sectional area of a wire


3
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  • the formula for the resistivity of a material


  • ρ = (RA)/L

    • ρ = resistivity (Ωm)

    • R = resistance (Ω)

    • A = cross-sectional area (m^2)

    • L = length (m)


4
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  • n/a


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