USING TRANSFORMERS TO CHANGE VOLTAGES

1 mark · Easy

Which part of a transformer is responsible for linking the magnetic field between the primary and secondary coils?

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Correct option: Soft iron core

Common mistakes: Copper insulation; Plastic casing

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Marking points

B1 · 1 mark · Selects 'Soft iron core' as the correct answer.

Worked solution

The soft iron core links the changing magnetic field between the two coils in a transformer.