What is the voltage drop across a 80 ft length of wire at


Wires aren't really ideal. The voltage drop across a current-carrying wire can be significant unless the resistance of the wire is quite low. Suppose a 80 ft extension cord is being used to provide power to an electric lawn mower. The cord carries a 12 A  current. The copper wire in a typical extension cord has a 1.3 mm diameter 

What is the voltage drop across a 80 ft length of wire at this current?

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Chemistry: What is the voltage drop across a 80 ft length of wire at
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