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A 120m long copper wire (resistivity 1.7x10-8Ω.m ) has a resistance of 6Ω. What is the diameter of the wire? a) 0.066mm

Posted: Mon May 16, 2022 6:42 pm
by answerhappygod
A 120m long copper wire (resistivity 1.7x10-8Ω.m ) has a
resistance of 6Ω. What is the diameter of the wire?
a) 0.066mm
b) 0.66mm
c) 0.66cm
d) 0.66m