calculate the resistance of 1 kilometre long copper wire of radius 1 m

1.	calculate the resistance of 1 kilometre long copper wire of radius 1 millimetre resistivity of copper is 1.72 into 10 raise to minus 8 ohm metre
Answer» Answer: resistance = 5.5 ohms Explanation: R=ρL/A where ρ=1.7210^-8 L=1000m A=(PI)(0.001)^2 Put VALUES to FIND R=5.5 ohms

calculate the resistance of 1 kilometre long copper wire of radius 1 millimetre resistivity of copper is 1.72 into 10 raise to minus 8 ohm metre

Answer»

Answer:

resistance = 5.5 ohms

Explanation:

R=ρL/A

where ρ=1.72*10^-8

L=1000m

A=(PI)*(0.001)^2

Put VALUES to FIND R=5.5 ohms

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calculate the resistance of 1 kilometre long copper wire of radius 1 millimetre resistivity of copper is 1.72 into 10 raise to minus 8 ohm metre

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