An 700 foot extension cord has two 18 measure copper wires


An 7.00 foot extension cord has two 18 measure copper wires, each with a diameter of 1.400 mm.

1) At what rate is energy delivered to the resistance in the cord when it is carrying a current of 1.00 A? W

 

2) At what rate is energy delivered to the resistance in the cord when it is carrying a current of 10.0 A? W

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Physics: An 700 foot extension cord has two 18 measure copper wires
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