Edexcel IAL · Physics · WPH12 · Electric Circuits
Topic Questions: 68 be able to derive the equations for combining resistances in series and parallel using the principles of charge and energy conservation, and be able to use these equations — WPH12 Electric Circuits
39 WPH12 Electric Circuits topic questions are tagged to this syllabus point across 20 papers (2019–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.
Core finding
This Electric Circuits syllabus point appears in 20 WPH12 papers across 2019–2026, contributing 39 topic questions and 118 marks. The most recent appearance is WPH12/01 January 2026. That equals 14.6% of the 268 topic questions and 18.6% of the 634 marks tagged to Electric Circuits. 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 |
|---|---|---|---|---|---|---|
| WPH12/01January 2026 · Edexcel IAL | Q15 Rear Window Heater Electrical Analysis - Edexcel IAL Physics Jan 2026 Q15 |
FRQ | 2 of 4 parts ((a)(ii), (b)) | 4 of 9 on the paper |
Easy | Go to Practice Hub |
| WPH12/02January 2026 · Edexcel IAL | Q14 Headlight I-V Characteristics - Edexcel IAL Physics Jan 2026 Q14 |
FRQ | 2 of 3 parts ((b)(i), (b)(ii)) | 6 of 9 on the paper |
Medium | Go to Practice Hub |
| WPH12/02October 2025 · Edexcel IAL | Q18 Power Dissipation in Resistor Networks - Edexcel IAL Physics Oct 2025 Q18 |
FRQ | 2 of 3 parts ((a), (b)) | 8 of 12 on the paper |
Medium | Go to Practice Hub |
| WPH12/01June 2025 · Edexcel IAL | Q16 Parallel Resistor Circuit and Voltmeter Prediction - Edexcel IAL Physics May 2025 Q16 |
FRQ | 2 of 5 parts ((b)(ii), (c)) | 5 of 11 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2025 · Edexcel IAL | Q6 Three Resistors Circuit and Voltmeter Reading - Edexcel IAL Physics Jan 2025 Q6 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH12/01January 2025 · Edexcel IAL | Q15 Filament Lamp Circuit Analysis - Edexcel IAL Physics Jan 2025 Q15 |
FRQ | 1 of 2 parts ((a)) | 4 of 7 on the paper |
Medium | Go to Practice Hub |
| WPH12/01October 2024 · Edexcel IAL | Q8 Total Resistance Calculation - Edexcel IAL Physics Oct 2024 Q8 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH12/01June 2024 · Edexcel IAL | Q7 Total Equivalent Resistance - Edexcel IAL Physics June 2024 Q7 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH12/01June 2024 · Edexcel IAL | Q14 Resistivity of Heating Panels - Edexcel IAL Physics June 2024 Q14 |
FRQ | 2 of 5 parts ((c), (d)) | 7 of 14 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2024 · Edexcel IAL | Q5 Voltmeter Reading in Cell Circuit - Edexcel IAL Physics Jan 2024 Q5 |
MCQ | MCQ · 1 part | 1 | Medium | Go to Practice Hub |
| WPH12/01January 2024 · Edexcel IAL | Q19 Solar Cells & Photoelectric Effect - Edexcel IAL Physics Jan 2024 Q19 |
FRQ | 1 of 3 parts ((c)) | 5 of 13 on the paper |
Hard | Go to Practice Hub |
| WPH12/01October 2023 · Edexcel IAL | Q12 Combined Resistance Derivation - Edexcel IAL Physics Oct 2023 Q12 |
FRQ | 1 part | 3 | Medium | Go to Practice Hub |
| WPH12/01June 2023 · Edexcel IAL | Q16 Car Headlight I-V Characteristics - Edexcel IAL Physics May 2023 Q16 |
FRQ | 2 of 4 parts ((b)(i), (b)(ii)) | 6 of 12 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2023 · Edexcel IAL | Q13 Drift Velocity and Parallel/Series Circuits - Edexcel IAL Physics Jan 2023 Q13 |
FRQ | 1 of 2 parts ((a)) | 4 of 8 on the paper |
Hard | Go to Practice Hub |
| WPH12/01January 2023 · Edexcel IAL | Q14 Thermistor Investigation - Edexcel IAL Physics Jan 2023 Q14 |
FRQ | 1 of 3 parts ((a)(i)) | 3 of 10 on the paper |
Medium | Go to Practice Hub |
| WPH12/01October 2022 · Edexcel IAL | Q13 Circuit Analysis and Drift Velocity - Edexcel IAL Physics Oct 2022 Q13 |
FRQ | 1 of 4 parts ((a)) | 4 of 10 on the paper |
Easy | Go to Practice Hub |
| WPH12/01June 2022 · Edexcel IAL | Q12 Thermistor Potential Divider Circuit - Edexcel IAL Physics June 2022 Q12 |
FRQ | 1 of 3 parts ((a)) | 4 of 8 on the paper |
Medium | Go to Practice Hub |
| WPH12/01June 2022 · Edexcel IAL | Q15 Conservation Laws and Internal Resistance - Edexcel IAL Physics June 2022 Q15 |
FRQ | 1 of 3 parts ((b)(i)) | 3 of 12 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2022 · Edexcel IAL | Q17 Parallel Circuit Calculations and Power Dissipation - Edexcel IAL Physics Jan 2022 Q17 |
FRQ | 2 parts ((a), (b)) | 10 | Hard | Go to Practice Hub |
| WPH12/01October 2021 · Edexcel IAL | Q13 Filament Lamp Resistivity and Circuit Evaluation - Edexcel IAL Physics Oct 2021 Q13 |
FRQ | 1 of 2 parts ((b)) | 3 of 7 on the paper |
Medium | Go to Practice Hub |
| WPH12/01October 2021 · Edexcel IAL | Q15 Deriving Parallel Resistance and Combination Evaluation - Edexcel IAL Physics Oct 2021 Q15 |
FRQ | 3 parts ((a), (b)(i), (b)(ii)) | 8 | Medium | Go to Practice Hub |
| WPH12/01June 2021 · Edexcel IAL | Q12 Internal Resistance and Chemical Energy - Edexcel IAL Physics June 2021 Q12 |
FRQ | 1 of 3 parts ((b)) | 3 of 8 on the paper |
Easy | Go to Practice Hub |
| WPH12/01June 2021 · Edexcel IAL | Q18 Resistivity and Power in Circuits - Edexcel IAL Physics June 2021 Q18 |
FRQ | 1 of 4 parts ((b)) | 4 of 13 on the paper |
Easy | Go to Practice Hub |
| WPH12/01January 2021 · Edexcel IAL | Q2 Resistor Combination Resistance - Edexcel IAL Physics Jan 2021 Q2 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH12/01October 2020 · Edexcel IAL | Q12 Real and Ideal Voltmeter Circuits - Edexcel IAL Physics Oct 2020 Q12 |
FRQ | 1 of 2 parts ((b)) | 4 of 6 on the paper |
Easy | Go to Practice Hub |
| WPH12/01October 2020 · Edexcel IAL | Q18 Resistor Networks and Filament Lamp Resistance - Edexcel IAL Physics Oct 2020 Q18 |
FRQ | 2 of 3 parts ((a), (b)) | 8 of 12 on the paper |
Medium | Go to Practice Hub |
| WPH12/01January 2020 · Edexcel IAL | Q3 Resistors in Series and Parallel - Edexcel IAL Physics Jan 2020 Q3 |
MCQ | MCQ · 1 part | 1 | Easy | Go to Practice Hub |
| WPH12/01June 2019 · Edexcel IAL | Q15 Resistor Combinations and Potential Divider Circuits - Edexcel IAL Physics May 2019 Q15 |
FRQ | 2 of 4 parts ((a), (b)) | 6 of 13 on the paper |
Medium | Go to Practice Hub |
Related topic questions in Electric Circuits
64 understand that electric current is the rate of flow of charged particles and be able to use the equation
39 marks · 2019–2026
65 understand how to use the equation
31 marks · 2019–2026
66 understand that resistance is defined by and that Ohm's law is a special case when for constant temperature
55 marks · 2020–2026
67a understand how the distribution of current in a circuit is a consequence of charge conservation
32 marks · 2020–2025
67b understand how the distribution of potential differences in a circuit is a consequence of energy conservation
34 marks · 2020–2025
69 be able to use the equations , and be able to derive and use related equations, e.g. and
117 marks · 2019–2026
Topic question rules and edge cases
- How many topic questions cover this syllabus point?
- 28 question stems cover this subtopic across 20 papers, but only 39 tagged parts and 118 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 2019–2026. 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.