PRACTICE BY UNIT

GCSE Combined Science (AQA Trilogy) — Physics 6.1 Energy: 61 practice questions

61 original GCSE Combined Science (AQA Trilogy) questions on Physics 6.1 Energy, each with an explanation and its source. Topics: 6.1.2.2 Efficiency, 6.1.1.1 Energy stores and systems, 6.1.1.2 Changes in energy, 6.1.1.4 Power, 6.1.1.3 Energy changes in systems, 6.1.2.1 Energy transfers in a system, 6.1.3 National and global energy resources. One free sample is below; the rest of the questions are available with a paid plan.

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One Physics 6.1 Energy question with explanations

Open a question, choose an answer in your head, then open the explanation.

Q1 6.1 Energy

A device transfers 500 J of energy. 300 J are transferred usefully. What is its efficiency?

  1. 60%
  2. 40%
  3. 167%
  4. 800%
Show the answer and explanation

Answer: A. Efficiency = useful output energy ÷ total input energy × 100 = 300 ÷ 500 × 100 = 60%.

Sources: AQA · AQA

That's the free sample. The rest of the questions are available with a paid plan.

That's the free sample. The rest is available with a plan.

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Topics in Physics 6.1 Energy

  • 6.1.2.2 Efficiency 8
  • 6.1.1.1 Energy stores and systems 8
  • 6.1.1.2 Changes in energy 17
  • 6.1.1.4 Power 9
  • 6.1.1.3 Energy changes in systems 7
  • 6.1.2.1 Energy transfers in a system 6
  • 6.1.3 National and global energy resources 6

FAQ

Are these GCSE Combined Science Physics 6.1 Energy questions free?

The sample question on this page is free to read, with the answer and sources. The full set of 61 Physics 6.1 Energy questions is in the paid plans.

Are these the exam body's own questions?

No. Every question is original and written by Sakakikaen Co., Ltd. examplat is not affiliated with or endorsed by the organisation that runs GCSE Combined Science (AQA Trilogy). Check its website for the current syllabus.