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1.7.1a Energy stores and energy transfers

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Question 146

A loudspeaker is used to play music. Which energy change takes place in the loudspeaker?

A

input energy is sound, output energy is electrical

B

input energy is electrical, output energy is sound

C

input energy is electrical, output energy is chemical

D

input energy is chemical, output energy is electrical

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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