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GCSE Physics · key term
The ability of an energy resource to provide energy when it is needed.
Used by AQA
Paper 1
Revise: Uses and Reliability of Energy ResourcesYou are expected to compare their uses and reliability, but AQA does not require a description of the machinery or detailed process by which each one generates electricity.
For reliability questions, identify the condition that controls the resource—such as daylight, wind, rainfall or tides—and explain how this affects when energy can be supplied.
The specification does not require descriptions of how energy resources generate electricity, so focus on their uses and the reasons for differences in reliability.
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