isabellao5168 isabellao5168
  • 13-05-2023
  • Engineering
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If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost?(a) To burn a 40.0-W light bulb for 24 h.(b) To operate an electric oven for 4.6 h if it carries a current of 20.0 A at 220 V.

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