Calculate the electric field in a copper wire of cross-sectional

Question:

Calculate the electric field in a copper wire of cross-sectional area $2.0 \mathrm{~mm}^{2}$ carrying a current of $1 \mathrm{~A}$. The resistivity of copper $=1.7 \times 10^{-8} \Omega-\mathrm{m}$.

Solution:

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