A home uses ten 100-watt lightbulbs for five hours per day (power used). Calculate how many kilowatt-hours (kWh) of electrical energy (the amount of energy needed to supply that power) are consumed in one year by using the lightbulbs.
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Step 1
Given that each lightbulb is 100 watts and they are used for 5 hours per day, the total power consumed per day is: Total power = 10 bulbs * 100 watts/bulb * 5 hours = 5000 watt-hours per day Show more…
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