Question

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.)

Answer 1

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