Extension cords are often made from 10 mm diameter copper

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Extension cords are often made from 1.0 mm diameter copper wire. (a) What is the resistance per unit length of this wire? (b) an electric saw that draws 7.0 A of current is operated at the end of an 8 m long extension cord. What is the potential difference between the wall outlet and the saw ?

Reference no: EM13616626

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