Question

calculate the resistance of 199m Cooper wire. the diameter pf wire is 1 mm take p(cm)=1.7×10^-8 root metre

Answer 1

Explanation:

R = ρ*l / Awhere ρ is resistivity and here ρ = 1.7 * 10⁻⁸ ... of copper is 1.7 into 10 to the power minus 8 coulomb metre.

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