Learn: Energy Transfers and Efficiency
AQA GCSE Physics 8463
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Which of the following is an example of energy transfer?
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The formula for efficiency is {{blank0}} divided by {{blank1}}, multiplied by 100.
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Which of the following are methods to improve efficiency? (Select all that apply)
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If a machine uses 200 joules of energy and 150 joules are transferred as useful energy, what is its efficiency?
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