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An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires, each of which is 80.0 m long and has a resistance of 0.110 ? per 300 m.

(a) Find the potential difference at the customer's house for a load current of 109 A. V

(b) For this load current, find the power delivered to the customer. kW

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