When \( 5 \mathrm{~V} \) potential difference is applied across a w...

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When \( 5 \mathrm{~V} \) potential difference is applied across a wire of length \( 0.1 \mathrm{~m} \), the drift speed of electrons is \( 2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s} \). If the electron density in the wire is \( 8 \times 10^{28} \mathrm{~m}^{-3} \), calculate the resistivity of the material
\( \mathrm{P} \) of wire.

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