Estimate the average drift speed of conduction electrons in a coppe...

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Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area \( 2.5 \times \) \( 10^{-7} \mathrm{~m}^{2} \) carrying a current of \( 1.8 \mathrm{~A} \). Assume the density of conduction electrons to be \( 9 \times 10^{28} \mathrm{~m}^{-3} \).
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