In Europe the standard voltage inhomes is 220 V instead of the 120 V used in the United States. Thereforea “100 W” European bulb would be intended for use with a 220 Vpotential difference. (a) If you bring a “100 W”European bulb home to the United States, what should be its U.S. powerrating? (b) How much current will the 100 W European bulb draw innormal use in the United States?

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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In Europe the standard voltage in
homes is 220 V instead of the 120 V used in the United States. Therefore
a “100 W” European bulb would be intended for use with a 220 V
potential difference. (a) If you bring a “100 W”
European bulb home to the United States, what should be its U.S. power
rating? (b) How much current will the 100 W European bulb draw in
normal use in the United States?

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