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Induced potential, transformers and the National Grid (physics only) (HT only) answer explanations

Review worked answers and explanations for Induced potential, transformers and the National Grid (physics only) (HT only). Aligned to AQA Gcse Physics.

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Magnetism

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Question 1

Which conclusion keeps the magnetism concept boundary clear? Context: classroom plotting compass exam-command. Learning objective: (Physics only) (HT only) Explain how a moving-coil microphone works.. Which answer is most accurate for Microphones (HT only)? Distinct revision anchor: fluxcue661a coilcue661b fieldcue661c polecue661d gridcue661e motorcue661f generatorcue661g transformercue661h compasscue661i currentcue661j voltagecue661k forcecue661l.