Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7×10-8 Ω m.
Given that 1 km = 1000m
D= 2r = 0.50 mm
R = 0.25 mm=0.00025m
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Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7×10-8 Ω m.
Given that 1 km = 1000m
D= 2r = 0.50 mm
R = 0.25 mm=0.00025m