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7.2 The motor effect

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Question 27
H

Headphones work in the same way as a moving-coil loudspeaker. Which statement about headphones is correct?

[1]
A

They use the motor effect to turn a current into pressure variations

B

They use the generator effect to turn a current into pressure variations

C

They use the motor effect to turn pressure variations into a current

D

They use the generator effect to turn pressure variations into a current

Markscheme

7.2 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /7.2 The motor effect

39 exam-style questions on AQA GCSE Physics 7.2 The motor effect, covering 7.2.1 Electromagnetism, 7.2.2 Fleming's left-hand rule (HT only), 7.2.3 Electric motors (HT only), and 7.2.4 Loudspeakers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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