An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires, each of which is 58.0 m long and has a resistance of 0.104 ? per 300 m.
(a) Find the potential difference at the customer's house for a load current of 116 A.
(b) For this load current, find the power delivered to the customer.
(c) Find the rate at which internal energy is produced in the copper wires.