Difference between revisions of "Useful Energy"
(Created page with "==Key Stage 4== ===Meaning=== '''Useful energy''' is the energy transferred to a device's intended purpose.") |
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===Meaning=== | ===Meaning=== | ||
'''Useful energy''' is the [[Energy Transfer|energy transferred]] to a device's intended purpose. | '''Useful energy''' is the [[Energy Transfer|energy transferred]] to a device's intended purpose. | ||
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| + | ===About Useful Energy=== | ||
| + | : When [[energy]] is [[Energy Transfer|transferred]], the [[Total Energy|total]] [[Energy Transfer|energy transferred]] will not all go into one [[Energy Store|store]]. Some will be transferred '''usefully''' and some will be [[Wasted Energy|wasted]]. | ||
| + | : '''Useful Energy''' = ([[Total Energy]] transferred) - ([[Wasted Energy]]) | ||
| + | : '''Useful energy''' can be used to calculate the [[Energy Efficiency|efficiency]] of an [[Energy Transfer|energy transfer]]. | ||
Revision as of 17:54, 2 February 2019
Key Stage 4
Meaning
Useful energy is the energy transferred to a device's intended purpose.
About Useful Energy
- When energy is transferred, the total energy transferred will not all go into one store. Some will be transferred usefully and some will be wasted.
- Useful Energy = (Total Energy transferred) - (Wasted Energy)
- Useful energy can be used to calculate the efficiency of an energy transfer.