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Power Consumption Of An Electric Device
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Parameters
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1. Power Usage
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The power usage of the device in Watts.
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2. Hours Used
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Approximately how many hours the device is used
each day.
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3. Energy Rate
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The cost of energy as stated on your electric bill.
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Calculator
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Power Usage
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watts
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Hours Used
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hours
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Power
Consumption
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kWh
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Heat Output
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btu/h
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Energy Rate
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cents/kWh
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Cost For
Device
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Examples of Devices and their Consumption
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Lightbulb, typically 40 -
60 W
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Low energy, 7 - 11 W
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Computer monitor, ≈75 W
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Toaster, 800 - 1500 W
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