TRANSFORMERS AND NATIONAL GRIDS

1 mark · Easy

Which device is used to increase the voltage in the National Grid?

AA fuseBA step-down transformerCA generatorDA step-up transformer

› Show answer

Correct option: A step-up transformer

Common mistakes: A step-down transformer; A generator

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correctly selects 'A step-up transformer'.

Worked solution

The correct answer is: A step-up transformer.

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