What is the resistance of a copper wire 1.2 m in length whose cross-sectional area is 3.0 x 10-6 m2 at 35oC?
Resistance, R = pL/A
R = (1.72 x 10^-8 x 1.2)/(3 x 10^-6) = 6.88 x 10^-3 ohm
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What is the resistance of a copper wire 1.2 m in length whose cross-sectional area is...
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