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Last updated

16 August 2026

docx, 38.64 KB
docx, 38.64 KB

GCSE Physics worksheet on calculating efficiency with answers, covering useful power output, total power input, wasted energy and percentage efficiency. Includes calculation and explanation questions involving electrical devices and machines. Suitable for KS4 / GCSE Physics lesson practice, homework, retrieval or revision. Includes the student worksheet and worked answers for quick marking and feedback.

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