Exam (elaborations)
Combined Science - Physics Paper 1 Correct 100%
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What is the potential voltage of uk mains electricity supply? - ANSWER230V What colour is the earth wire in a three-core cable - ANSWERYellow and green stripes What is the frequency of the UK mains electricity supply? - ANSWER50Hz What is the role of a step-up transformer? - ANSWERTo reduc...
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