Lesson: Chapter 10 — Power and energy in electrical appliances

The parts of a household circuit 1 of 5 Reset answers

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Question 1

Which device protects people in the house from electric shock?

A The electricity meter B A switch C The RCCB D An MCB

The right answer is the one marked above.

The RCCB. It trips when about 35 mA leaks to earth. An MCB does not act on a shock.

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