Question
Asked Nov 2, 2019
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A utility company charges 8.2 cents/kWh. If a consumer operates a 60 W bulb continuously for 1 day, then how much the consumer will be charged?

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Expert Answer

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Step 1

1 kWh of energy is equivalent to powering on a 1 kW or 1000 W electric appliance for 1 h. This is expressed in equation (1).

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1 kWh (1 kWx (1 h)---> (1)

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Step 2

Energy can be defined as the product of power and time. Therefore, the energy required for the 60 W bulb to operate for 1 day (24 h) will be

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60 kW x(24 h 1000 E (60 W)x (24 h) => E 1.44 kWh - -> (2)

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Step 3

The cost of electricity charged by th...

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K 8.2 cents/kWh

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Electrical Engineering

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