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Bredhurst Receiving and Transmitting Society

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Learning outcomes part 7

  • a simple transformer consists of two coils of wire and may have an iron core to concentrate the magnetic field.

  • energy is transferred from one coil to the other when alternating current is used.

  • the mains AC potential difference can be stepped down using fewer turns of wire on the secondary coil than on the primary and can be stepped up by using more turns on the secondary than on the primary.

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