Select at least 5 domestic electrical appliances. Find out the power rating, voltage, current and resistance associated with each device. Record your data in tabulated form.
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Answer:
Our appliance and electronic energy use calculator allows you to estimate your annual energy use and cost to operate specific products. The wattage values provided are samples only; actual wattage of products varies depending on product age and features. Enter a wattage value for your own product for the most accurate estimate. Wattage and utility rate data sources: 2010 Buildings Energy Databook, Table 2.1.16; Home Energy Saver; EIA Average Retail Price of Electricity - Residential.
Determining how much electricity your appliances and home electronics use can help you understand how much money you are spending to use them. Use the information below to estimate how much electricity an appliance is using and how much the electricity costs so you can decide whether to invest in a more energy-efficient appliance.
There are several ways to estimate how much electricity your appliances and home electronics use:
Reviewing the Energy Guide label. The label provides an estimate of the average energy consumption and cost to operate the specific model of the appliance you are using. Note that all not all appliances or home electronics are required to have an Energy Guide.
Using an electricity usage monitor to get readings of how much electricity an appliance is using
Calculating annual energy consumption and costs using the formulas provided below
Installing a whole house energy monitoring system.
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