Physics (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Physics (Modular) — 4XSD1 · Specification point · 2.6 · Electricity · Mains electricity
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| Learners should: |
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2.6 know the difference between mains electricity being alternating current (a.c.) and direct current (d.c.) being supplied by a cell or battery |