TRANSFORMERS AND NATIONAL GRIDS

1 mark · Easy

What is the typical voltage in household sockets after passing through a step-down transformer in the UK?

A400,000 VB25,000 VC230 VD9 V

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Correct option: 230 V

Common mistakes: Selecting 400,000 V (transmission voltage)

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Marking points

A1 · 1 mark · Correct answer selected (230 V).

Worked solution

The typical voltage after passing through the step-down transformer is 230 V.

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