Calculate the conductance of a copper wire if its resistance is 0.85 ohm. Spamming is not aloud . The person who will do spam will be reported .
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Calculate the conductance of a copper wire if its resistance is 0.85 ohm. Spamming is not aloud . The person who will do spam will be reported .
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According to the questions, we should calculate the resistance of the copper wire
• we know that,
R = ΦL / A
where R denotes resistance, Φ denotes resistivity, L denotes length of the wire and A denotes area of cross section.
L = 1m
A = 2 mm^2 = 2 x 10^-6 m^2
Φ = 1.7 x 10^-8 ohm meter.
therefore,
R = ( 1.7 x 10^-8 x 1 ) / 2 x 10^-6
R = 0.85 x 10^-2
implies,
R = 8.5 x 10^-3 ohm.
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