An 11-W energy-efficient fluorescent lamp is designed to produce the same illumination as a conventional 40-W lamp.

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An 11-W energy-efficient fluorescent lamp is designed to produce the same illumination as a conventional 40-W lamp. How much does the energy-efficient lamp save during 100 hours of use? Assume a cost of $0.080/kWh for electrical energy.

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College Physics

ISBN: 978-0495113690

7th Edition

Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett

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Question Posted: Nov 01, 2011 02:48 PM

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An 11-W energy-efficient fluorescent lamp is designed to produce the same illumination as a conventional 40-W lamp.

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College Physics

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