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1.7.1a Energy stores and energy transfers

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Question 131

Different processes have different efficiencies.

Which row in the table below shows the most efficient process?

Energy input / J\text{J}JUseful energy output / J\text{J}J
A5012
B20060
C12030
D500110
A

A

B

B

C

C

D

D

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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