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26 Nov 2019
An electric utility company supplies a customer's house fromthemain power lines (120 V) with two copper wires, each of whichis30.0 m long and has a resistance of0.118 Ω per 300 m.
(a) Find the potential difference atthecustomer's house for a load current of 110 A.
1 V
(b) For this load current, find the power delivered tothecustomer.
2 kW
(c) Find the rate at which internal energy is produced in thecopperwires.
3 W
An electric utility company supplies a customer's house fromthemain power lines (120 V) with two copper wires, each of whichis30.0 m long and has a resistance of0.118 Ω per 300 m.
(a) Find the potential difference atthecustomer's house for a load current of 110 A.
1 V
(b) For this load current, find the power delivered tothecustomer.
2 kW
(c) Find the rate at which internal energy is produced in thecopperwires.
3 W
1 V
(b) For this load current, find the power delivered tothecustomer.
2 kW
(c) Find the rate at which internal energy is produced in thecopperwires.
3 W
Keith LeannonLv2
14 Sep 2019
