(II) An extension cord made of two wires of diameter 0.129
Chapter 18, Problem 42P(choose chapter or problem)
Problem 42P
(II) An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 2.7 m (9 ft) is connected to an electric heater which draws 18.0 A on a 120-V line. How much power is dissipated in the cord?
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