plumiPotential difference and power: CAIE A‑Level Physics questions
Every CAIE A-Level Physics exam question on 9.2 Potential difference and power, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
Find questions266
Calculations
Q6(b)(iv)
The whole paper ↗![Specimen Paper 2, question 6(b)(iv): Use your answer in (b)(iii) to determine the ratio power dissipatedin thermistor X . power dissipatedin12 resistor X ratio = [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/970202-spec-06-biv-qp.webp)
Q6(b)(v)
The whole paper ↗
All 4 questions on Potential difference and power, as a list
- June 2024, Paper 1, Q32 (1 mark): A kettle is connected to a 250 V mains supply. What are possible values for the power of the kettle and the current in the kettle? power / W current / A A 500 0
- Specimen, Paper 1, Q31 (1 mark): Which values of current and resistance will produce a rate of energy transfer of 16 J s–1? current / A resistance / : A 1 4 B 2 2 C 2 8 D 4 1
- Specimen, Paper 2, Q6(b)(iv) (2 marks): Use your answer in (b)(iii) to determine the ratio power dissipatedin thermistor X . power dissipatedin12 resistor X ratio = [2]
- Specimen, Paper 2, Q6(b)(v) (3 marks): The temperature of thermistor X is now decreased. State and explain the effect, if any, of this temperature change on the total power produced by the battery. [
Questions, mark schemes and examiner’s reports are © Cambridge University Press & Assessment, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every CAIE A-Level Physics paper.
Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.