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The transformer past paper questions

O Level Physics 5054 · Electromagnetic effects. 1 Describe the structure and explain the principle of operation of a simple iron-cored transformer 2 Use the terms primary, secondary, step-up and step-down 3 Recall and use the equation Vp Vs = Np Ns where P and S refer to primary and secondary 4 State the advantages of high-voltage transmission and explain why power losses in cables are smaller when the voltage is greater

In Cambridge O Level Physics 5054, The transformer came up in 21 of the 72 papers on Paperstreak, for about 2 marks a paper when it does. It last came up in October/November 2025.

23 questions, newest first

1. 5054/11/O/N/25 Question 35 · 1 mark
2. 5054/12/O/N/25 Question 35 · 1 mark
3. 5054/11/M/J/25 Question 34 · 1 mark
4. 5054/12/M/J/25 Question 35 · 1 mark
5. 5054/21/M/J/25 Question 7 parts (a) (b(i)) (b(ii)) · 6 marks
6. 5054/22/O/N/24 Question 7 parts (b(i)) (b(ii)) (b(iii)) · 6 marks
7. 5054/11/M/J/24 Question 36 · 1 mark
8. 5054/12/M/J/24 Question 36 · 1 mark
9. 5054/11/O/N/23 Question 32 · 1 mark
10. 5054/11/O/N/23 Question 34 · 1 mark
11. 5054/22/M/J/23 Question 8 · 7 marks
12. 5054/11/O/N/22 Question 33 · 1 mark
13. 5054/12/O/N/22 Question 36 · 1 mark
14. 5054/22/O/N/22 Question 6 parts (a) (b(i)) · 5 marks
15. 5054/11/M/J/22 Question 37 · 1 mark
16. 5054/11/M/J/22 Question 38 · 1 mark
17. 5054/12/M/J/22 Question 40 · 1 mark
18. 5054/11/O/N/21 Question 34 · 1 mark
19. 5054/12/O/N/21 Question 34 · 1 mark
20. 5054/11/M/J/21 Question 36 · 1 mark
21. 5054/12/M/J/21 Question 38 · 1 mark
22. 5054/12/O/N/20 Question 36 · 1 mark
23. 5054/21/O/N/20 Question 6 · 7 marks

More in Electromagnetic effects: Electromagnetic induction, The a.c. generator, Magnetic effect of a current, Forces on a current-carrying conductor, The d.c. motor.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.