TRANSFORMERS AND NATIONAL GRIDS

1 mark · Normal

Which statement about transformers in the National Grid is correct?

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Correct option: Step-up transformers increase voltage and reduce current for transmission.

Common mistakes: Selecting 'Step-down transformers increase voltage before transmission.'

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Marking points

B1 · 1 mark · Correct option selected.

Worked solution

The first statement is correct: 'Step-up transformers increase voltage and reduce current for transmission.'