CIE IAL · Physics · 9702 P1 · Energy conservation

Topic Questions: 4 use the concept of efficiency to solve problems — 9702 P1 Energy conservation

2 9702 P1 Energy conservation topic questions are tagged to this syllabus point across 2 papers (2025–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.

2 topic questions 2 papers 2 tagged marks 8.0% of topic questions 8.0% of topic marks 2025–2026 Syllabus 2025–2027

All 9702 P1 Energy conservation topic questions All paper codes

Core finding

This Energy conservation syllabus point appears in 2 9702 P1 papers across 2025–2026, contributing 2 topic questions and 2 marks. The most recent appearance is 9702/12 May/June 2026. That equals 8.0% of the 25 topic questions and 8.0% of the 25 marks tagged to Energy conservation. Only parts tagged to this subtopic are counted, so a four-part question can contribute one item and one part's marks. The table lists every matching question, its tagged parts and marks, with a link back to the paper page. Sessions are newest first, so the statement can be traced back through the full paper history.

Topic questions by session

Newest sessions first. Parts and marks count only the parts tagged to this subtopic; “x of y parts” shows how much of the question is tagged elsewhere. Select the paper cell to open the matching question on the paper page, or use Go to Practice Hub to answer that exact question in the Interactive Practice Hub.

Paper	Question	Type	Parts	Marks	Difficulty	Practice
9702/12May/June 2026 · CIE IAL	Q17 Electric Power Input for Motor Lifting Load - CIE Physics 2026 Jun Paper 12 Q17	FRQ	1 part	1	Medium	Go to Practice Hub
9702/13May/June 2025 · CIE IAL	Q17 Useful Output Power of an Electric Motor - CIE Physics 2025 Jun Paper 13 Q17	FRQ	1 part	1	Easy	Go to Practice Hub

Related topic questions in Energy conservation

1 understand the concept of work, and recall and use work done = force × displacement in the direction of the force 6 question items · 5 papers 6 marks · 2025–2026 2 recall and apply the principle of conservation of energy 7 question items · 7 papers 7 marks · 2025–2026 3 recall and understand that the efficiency of a system is the ratio of useful energy output from the system to the total energy input 5 question items · 5 papers 5 marks · 2025–2026 5 define power as work done per unit time 2 question items · 2 papers 2 marks · 2025–2026 6 solve problems using $P = W / t$ 3 question items · 3 papers 3 marks · 2025–2026 7 derive $P = F v$ and use it to solve problems 7 question items · 7 papers 7 marks · 2025–2026

Topic question rules and edge cases

How many topic questions cover this syllabus point?: 2 question stems cover this subtopic across 2 papers, but only 2 tagged parts and 2 marks belong to it. Other parts of the same questions are assessed under different statements and are excluded from this page.
Which papers include this subtopic?: The table lists every matching session from 2025–2026. Each row links to the question anchor on the paper page, where the full paper context and practice entry point are available.
Why can one question appear under several subtopics?: The parts of one question can assess different syllabus statements. Each part is counted under its own subtopics, so the same question stem can appear on several subtopic pages while each page lists only the parts and marks tagged to that statement.
Can I practise these questions with AI marking?: Yes. Open a paper from the table and use the Interactive Practice Hub entry point. The page itself is static HTML so search engines and retrieval agents can read the full question list without executing JavaScript.