Resistance Cord
An extension cord is used with an electric weed trimmer that has a resistance of 18.4 . The extension cord is ?
An extension cord is used with an electric weed trimmer that has a resistance of 18.4 . The extension cord is made of copper wire that has a cross-sectional area of 1.20 x 10-6 m2. The combined length of the two wires in the extension cord is 94.7 m. (a) Determine the resistance of the extension cord. (b) The extension cord is plugged into a 120-V socket. What voltage is applied to the trimmer itself?
This is a faulty question, weed trimmers are an inductive load, not a resistive load. You are looking for the voltage drop on the cord. You need to find the amperage of the load. If you had a resistive load then you could use the 18.4 ohms to make this calculation.
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