An electric kettle and an electric iron operated for 1 hour and 20 minutes respectively. The main supply of electricity has a voltage of 240 V. During the operation, a current of 5 A flows through the kettle and a current of 1.5 A flows through the iron. If the cost of electrical energy is $0.50 for 1 kWh, what is the cost of operating these two items?
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Expert's answer
2017-03-21T10:25:40-0400
Solution
Determine the power consumed electric kettle W kW Determine the power consumed by electric iron W kW We define the consumed electric energy kWh The cost of electrical energy consumed $
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