If you use an extension cord, current travels from the 120 V outlet, along one wire inside the cord, through the appliance you’ve plugged into the cord, and back to the outlet through a second wire in the cord. The total resistance of the two wires in a light-duty extension cord is 0.40 Ω; the current through such a cord should be limited to 13 A. If a 13 A shop vacuum is powered using this cord,a. What is the voltage drop across the vacuum?b. How much power does the vacuum use?c. How much power is dissipated in the cord?
If you use an extension cord, current travels from the 120 V outlet, along one wire inside the cord, through the appliance you’ve plugged into the cord, and back to the outlet through a second wire in the cord. The total resistance of the two wires in a light-duty extension cord is 0.40 Ω; the current through such a cord should be limited to 13 A. If a 13 A shop vacuum is powered using this cord,a. What is the voltage drop across the vacuum?b. How much power does the vacuum use?c. How much power is dissipated in the cord?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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If you use an extension cord, current travels from the 120 V outlet, along one wire inside the cord, through the appliance you’ve plugged into the cord, and back to the outlet through a second wire in the cord. The total resistance of the two wires in a light-duty extension cord is 0.40 Ω; the current through such a cord should be limited to 13 A. If a 13 A shop vacuum is powered using this cord,
a. What is the voltage drop across the vacuum?
b. How much power does the vacuum use?
c. How much power is dissipated in the cord?
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