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1.7.1a Energy stores and energy transfers

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Question 147

A solar array is 18%18\%18% efficient and has a useful power output of 4.5 kW4.5\text{ kW}4.5 kW. What is the power input from sunlight to the solar array?

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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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