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7 March, 00:19

The current in a 120-V reading lamp is 2.4 A. If the cost of electrical energy is $0.090 per kilowatt-hour, how much does it cost to operate the light for an hour? (Do not round to the nearest cent.)

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  1. 7 March, 00:44
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    In your problem which ask to calculate how much does it cost to operate a light for an hour is the current in a lamp is 120V and has a current of 2.4 A. The cost of electrical energy is $0.09 per kilowatt hours, so with that dat itself, the possible in terms of cents is actually 3 cents
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