A mobile phone charger converts the domestic AC mains of to about

PHYSICS · Subjective · GCSE · Physics · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

A mobile phone charger converts the domestic AC mains of 230 V230\,\text{V} to about 5 V5\,\text{V}. Identify the type of transformer used in the charger and justify your answer in terms of the turns ratio.

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