The resistivity of copper is 1 76 x 10^(-8) Ohm metre The radius of the wire is 1mm - Science - Electricity

Question

The resistivity of copper is 1 76 x 10^(-8) Ohm metre The radius of
the wire is 1mm Calculate the length of a telegraph wire needed for
having a resistance of 10 5 ohm

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The resistivity of copper is 1. 76 x 10^(-8) Ohm metre. The radius of the wire is 1mm. Calculate the length of a telegraph wire needed for having a resistance of 10. 5 ohm.