Wires aren’t really ideal. The voltage drop across a
Chapter 22, Problem 55GP(choose chapter or problem)
Problem 55GP
Wires aren’t really ideal. The voltage drop across a currentcarrying wire can be significant unless the resistance of the wire is quite low. Suppose a 50 ft extension cord is being used to provide power to an electric lawn mower. The cord carries a 10 A current. The copper wire in a typical extension cord has a 1.3 mm diameter. What is the voltage drop across a 50 ft length of wire at this current?
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