If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, how much does it cost to (a)
Question:
(a) Burn a 100-W lightbulb for 24 h?
(b) Operate an electric oven for 5.0 h if it carries a current of 20.0 A at 220 V?
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Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
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