The annual electric bill for using this appliance to run the device for 2 hours a day for every day in a year is $9.64.
What is electric power?
Electric power is the power or energy transmitted by an electric source or circuit per unit time.
The electric power if the product of voltage times current flowing in a circuit. It can be calculated with the following formula.
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Here, (V) is the potential difference and (I) is the current.
The appliance requires 1.0 amps and runs off a standard ac 120 v outlets. Thus, the power required for the appliance is,
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The device is run for 2 hours a day for every day in a year. Thus the power required for whole year is,
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The electricity cost is 11.0 cents per kw-hr. The total cost for 87.6 kW electricity is,
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Thus, the annual electric bill for using this appliance to run the device for 2 hours a day for every day in a year is $9.64.
Learn more about the electric power here;
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