In an old house, the wires leading to a 120 V outlet have a total resistance of 0.45 Ω. When you plug in a hair dryer, it draws a 12 A current.a. How much does the outlet voltage decrease due to the voltage drop across the wires?b. What is the power dissipated as heat in the wires?

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Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 70PE: Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b)...
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In an old house, the wires leading to a 120 V outlet have a total resistance of 0.45 Ω. When you plug in a hair dryer, it draws a 12 A current.
a. How much does the outlet voltage decrease due to the voltage drop across the wires?
b. What is the power dissipated as heat in the wires?

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