A hair dryer is designed to use 800W of power when connected to a 120V outlet. A) find the current the hair dryer uses? B) find the resistance of the hair dryer? C) if you instead try to plug the same hair dryer into a 220V outlet, what happens to the power consumed by the hair dryer? Assume the resistance remains the same. Why is this considered dangerous?
A hair dryer is designed to use 800W of power when connected to a 120V outlet. A) find the current the hair dryer uses? B) find the resistance of the hair dryer? C) if you instead try to plug the same hair dryer into a 220V outlet, what happens to the power consumed by the hair dryer? Assume the resistance remains the same. Why is this considered dangerous?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A hair dryer is designed to use 800W of power when connected to a 120V outlet.
A) find the current the hair dryer uses?
B) find the resistance of the hair dryer?
C) if you instead try to plug the same hair dryer into a 220V outlet, what happens to the power consumed by the hair dryer? Assume the resistance remains the same. Why is this considered dangerous?
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