Explanation Given data: Length of the resistance is 60 m. Resistivity is 1.72 × 10 − 6 Ω ⋅ cm Resistance is 0.788 Ω . Formula used: Write the expression for resistance. R = ρ l A (1) Here, ρ is resistivity. l is the length. A is the cross-sectional area. Calculation: Substitute 1.72 × 10 − 6 Ω ⋅ cm for ρ , 6,000 cm for l and 0.788 Ω for R in equation (1), 0.788 Ω = 1

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ISBN: 9780132719865

Author: EWEN, Dale

Publisher: PEARSON

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends o…

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Chapter 17.5, Problem 9P

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Find the cross-sectional area of the wire.

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Find the cross-sectional area of the wire.

Solution Summary: The author analyzes how the cross-sectional area of the wire is underset_0.0131cm2.

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