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2 Electricity

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Question 5
F

A student connects an oscilloscope to two different supplies, P and Q.

Figure: The oscilloscope traces produced by two different supplies, P and Q

image

a.

Write down which supply, P or Q, produces an alternating potential difference.

[1]
b.

Give one reason for your answer to part a).

[1]
c.

The UK domestic mains supply has a frequency of 50 Hz.

Write down what the frequency tells you about the mains supply.

[1]
Markscheme

2 Electricity Questions

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

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