THE TRANSFORMER

1 mark · Normal

Which change would increase the output voltage of a transformer, assuming the input voltage stays the same?

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Correct option: Increase the number of turns on the secondary coil

Common mistakes: Choosing to increase turns on primary

Show mark scheme and worked solution

Marking points

B1 · 1 mark · Chooses 'Increase the number of turns on the secondary coil'.

Worked solution

Increasing the number of turns on the secondary coil increases the output voltage, according to the transformer equation.