[tex] \large \color{yellow} \boxed{✿Question:✿}[/tex]
why energy consumption is sometimes listed in kilowatt-hours rather than joules?
[tex] \large \color{red} \boxed{✿Answer:✿}[/tex]
Because while the joule is the SI base unit for energy, when speaking in real-world terms, we often use the kilowatt-hour (kWh) instead. This is due to the fact that a joule is an extremely small amount of energy. To put how small a joule is into perspective, a liter of gasoline has 31,536,000 joules of energy in it.
[tex] \large \color{violet} \boxed{✿Question:✿}[/tex]
What is the relationship between these two energy units?
[tex] \large \color{gold} \boxed{✿Answer:✿}[/tex]
Power is the rate at which work gets done and it is a scalar quantity. Thus power is equal to work done divided by the time taken. When work gets done, there is a consumption of an equal amount of energy. This is why power is also defined as the rate of energy consumption.
Explanation:
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