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resistivity = RA/L
R = 2*10^-2
A = 1.7*10^-6 m²
L = 2m
resistivity = 2*10^-2 * 1.7*10^-6 / 2
res. = 1*10^-2 * 1.7*10^-6
res. = 1.7*10^-8 ohm m
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Thus, the 'resistivity of copper' write is 1.7x10^-8m
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