Examination questions that span topics require you to show that you can use physics ideas that apply to more than one topic, alongside ideas specific to each one. An example is question 03 from the AQA 2017 AS Physics Paper 1 (opposite), which links electricity and mechanics, with the concept of power playing a key role. The question has been reproduced here by permission of AQA. The answers that follow are the responsibility of Physics Review, and have neither been provided nor approved by AQA.
The energy available from the battery is:
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