A microwave draws 5.0 A when it is connected to a 120 V outlet. If electrical energy costs $0.090 per kW·h, what is the cost of running the microwave for exactly 6 h?

Answer 1

Energy = 120 * 5 *6h /1000=3.6 KWh Used

Cost = 3.6kwh * 0.090/kwh = 0.324 or 32.4 Cents.

Answer 2

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