• Length of wire = 1km = 1000m
• Diameter= 0.5mm or 0.0005m
• Resistivity of wire =
The Resistance of copper wire
According to the formula
Where ,
R= Resistance
= Resistivity
l= Length of wire
A = Area of cross section
Let's find the Resistance !
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Verified answer
Given :-
• Length of wire = 1km = 1000m
• Diameter= 0.5mm or 0.0005m
• Resistivity of wire =
To find :-
The Resistance of copper wire
According to the formula
Where ,
R= Resistance
= Resistivity
l= Length of wire
A = Area of cross section
Let's find the Resistance !