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LDRs and thermistors past paper questions

Physics 9702 · Electricity. Resistance changing with light and temperature

In Cambridge A Level Physics 9702, LDRs and thermistors came up in 8 of the 140 papers on Paperstreak, for about 1 marks a paper when it does. It last came up in October/November 2025.

Often set with Kirchhoff's laws, Internal resistance, Resistance and Ohm's law, Resistors in series and parallel.

8 questions, newest first

1. 9702/21/O/N/25 Question 5 part (b(i)) · 2 marks
2. 9702/23/O/N/25 Question 5 part (b(i)) · 2 marks
3. 9702/13/O/N/23 Question 33 · 1 mark
4. 9702/22/O/N/23 Question 6 part (c(i)) · 1 mark
5. 9702/12/M/J/23 Question 33 · 1 mark
6. 9702/13/M/J/23 Question 33 · 1 mark
7. 9702/21/M/J/23 Question 7 part (d(i)) · 1 mark
8. 9702/12/M/J/22 Question 33 · 1 mark

More in Electricity: Charge and current, Drift speed, Potential difference and power, Resistance and Ohm's law, I–V characteristics, Resistivity.

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