ALTERNATING CURRENT AND DIRECT CURRENT

1 mark · Easy

Which device supplies alternating current (a.c.) in a home?

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Correct option: The mains electricity socket

Common mistakes: Confusing batteries with mains

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Marking points

B1 · 1 mark · Chooses 'The mains electricity socket' as the a.c. source.

Worked solution

The mains electricity socket supplies alternating current (a.c.).