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2.3 Domestic uses and safety

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Question 14
H

An oscilloscope trace of a supply shows 2 complete cycles in 0.080 s. Is this supply the UK domestic mains supply?

[1]
A

Yes, because the frequency of the supply is 50 Hz

B

No, because the frequency of the supply is 25 Hz

C

No, because the frequency of the supply is 80 Hz

D

Yes, because the frequency of the supply is 230 Hz

Markscheme

2.3 Domestic uses and safety Questions

  1. GCSE
  2. /Physics
  3. /2.3 Domestic uses and safety

40 exam-style questions on AQA GCSE Physics 2.3 Domestic uses and safety, covering 2.3.1 Direct and alternating potential difference and 2.3.2 Mains electricity. Each one has a worked solution and a mark scheme showing where the marks go.

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