Final answer:
Electricity bills for domestic consumers are calculated based on energy consumption in kilowatt-hours (kWh) by multiplying the power rating of appliances by the hours of usage. Understanding energy consumption, power ratings, and cost calculation is crucial.
Explanation:
The calculation of an electricity bill for domestic consumers is based on the energy consumption measured in kilowatt-hours (kWh). This is obtained by multiplying the power of the appliance in kilowatts by the number of hours it is used.
For example, to calculate the cost of running a 0.200-kW computer for 6.00 hours per day for 30 days at a rate of $0.120 per kWh, you first determine the energy consumed (E = Pt) and then calculate the total cost.
Understanding energy consumption, power rating, and cost calculation is essential in determining electricity bills accurately for domestic consumers.
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