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20.4 Exercise 21

Avg difficulty 2.5

The average television is said to be on 6 hours per day. Estimate the yearly cost of electricity to operate 100 million TVs, assuming their power consumption averages 150 W and the cost of electricity averages 12.0 cents/kW⋅h\text{12} . 0 \text{ cents}/\text{kW} \cdot \text{h}.

OpenStax College Physics 2e, 20.4 Electric Power and Energy, exercise 21

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.