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2 Electricity

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Question 29
F

A supply has a frequency of 25 Hz. How does this supply differ from the UK domestic mains supply?

[1]
A

Its potential difference changes direction half as often each second

B

Its potential difference changes direction twice as often each second

C

Its potential difference is half the size of the mains potential difference

D

Its potential difference does not change direction at all

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2 Electricity Questions

  1. GCSE
  2. /Physics
  3. /2 Electricity

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