Calculate the resistance of a copper wire 1.0km long and 0.50mm diameter if resistivity of copper is 1.7 Ă— 10^-3
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Step 1
We know the formula for resistance is: $R = \frac{\rho L}{A}$, where $R$ is the resistance, $\rho$ is the resistivity, $L$ is the length of the wire, and $A$ is the cross-sectional area. Show more…
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