A washing machine is rated to consume 500 W of power, and it is plugged into a wall socket that provides an rms voltage of 120 V. The 3 m long power cord connecting the refrigerator to the wall socket contains two copper wires, each with a 0.6 mm diameter and resistivity of p = 1.68 \times 10Ⓡ Q-m. What is the total resistance of the power cord in this circuit? (+ 30 points) If the refrigerator is running at full power, how much current will be drawn from the wall socket? (+10 points) What percent of power supplied by the wall socket will be dissipated in the wires?
A washing machine is rated to consume 500 W of power, and it is plugged into a wall socket that provides an rms voltage of 120 V. The 3 m long power cord connecting the refrigerator to the wall socket contains two copper wires, each with a 0.6 mm diameter and resistivity of p = 1.68 \times 10Ⓡ Q-m. What is the total resistance of the power cord in this circuit? (+ 30 points) If the refrigerator is running at full power, how much current will be drawn from the wall socket? (+10 points) What percent of power supplied by the wall socket will be dissipated in the wires?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 1OQ: If the terminals of a battery with zero internal resistance are connected across two identical...
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