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Potential dividers: CAIE A‑Level Physics questions

Every CAIE A-Level Physics exam question on 10.3 Potential dividers, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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Calculations

266 questions

  1. Q33

    June 2024 · Paper 1

    1 mark10.3 Potential dividers
    The whole paper ↗
    June 2024 Paper 1, question 33: Which circuit results in output voltage Vout increasing with increasing temperature? A B Vout Vout C D Vout Vout

  2. Q2(a)

    Specimen · Paper 5

    1 mark10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(a): A graph is plotted of V Determine expressions for the gradient and the y‑intercept. gradient = y‑intercept = [1]

  3. Q2(b)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(b): Values of P, V and V Table 2.1 1 / 10–3 Ω–1 1 / V–1 P / Ω V / V P V 250 0.66 1.52 330 0.86 1.16 470 1.15 0.870 560 1.30 0.769 680 1.49 0.671 840 1.64 0.610 Each

  4. Q2(c)(i)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(c)(i): Plot a graph of V 1 . Include error bars for P [2]

  5. Q2(c)(ii)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(c)(ii): Draw the straight line of best fit and a worst acceptable straight line on your graph. Label both lines. [2]

  6. Q2(c)(iii)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(c)(iii): Determine the gradient of the line of best fit. Include the absolute uncertainty in your answer. gradient = [2]

  7. Q2(c)(iv)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(c)(iv): Determine the y-intercept of the line of best fit. Include the absolute uncertainty in your answer. y-intercept = [2]

  8. Q2(d)(i)

    Specimen · Paper 5

    2 marks10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(d)(i): Using your answers to (a), (c)(iii) and (c)(iv), determine the values of E and Q. Include appropriate units. E = Q = [2]

  9. Q2(d)(ii)

    Specimen · Paper 5

    1 mark10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(d)(ii): Determine the percentage uncertainty in E. percentage uncertainty in E = % [1]

  10. Q2(d)(iii)

    Specimen · Paper 5

    1 mark10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 5, question 2(d)(iii): Determine the absolute uncertainty in Q. absolute uncertainty in Q = [1] [Total: 15]

  11. Q37

    Specimen · Paper 1

    1 mark10.3 Potential dividers
    The whole paper ↗
    Specimen Paper 1, question 37: A battery with negligible internal resistance is connected in series with a resistor and a light- dependent resistor (LDR) as shown. P Q V V The light intensity
All 11 questions on Potential dividers, as a list
  1. June 2024, Paper 1, Q33 (1 mark): Which circuit results in output voltage Vout increasing with increasing temperature? A B Vout Vout C D Vout Vout
  2. Specimen, Paper 5, Q2(a) (1 mark): A graph is plotted of V Determine expressions for the gradient and the y‑intercept. gradient = y‑intercept = [1]
  3. Specimen, Paper 5, Q2(b) (2 marks): Values of P, V and V Table 2.1 1 / 10–3 Ω–1 1 / V–1 P / Ω V / V P V 250 0.66 1.52 330 0.86 1.16 470 1.15 0.870 560 1.30 0.769 680 1.49 0.671 840 1.64 0.610 Each
  4. Specimen, Paper 5, Q2(c)(i) (2 marks): Plot a graph of V 1 . Include error bars for P [2]
  5. Specimen, Paper 5, Q2(c)(ii) (2 marks): Draw the straight line of best fit and a worst acceptable straight line on your graph. Label both lines. [2]
  6. Specimen, Paper 5, Q2(c)(iii) (2 marks): Determine the gradient of the line of best fit. Include the absolute uncertainty in your answer. gradient = [2]
  7. Specimen, Paper 5, Q2(c)(iv) (2 marks): Determine the y-intercept of the line of best fit. Include the absolute uncertainty in your answer. y-intercept = [2]
  8. Specimen, Paper 5, Q2(d)(i) (2 marks): Using your answers to (a), (c)(iii) and (c)(iv), determine the values of E and Q. Include appropriate units. E = Q = [2]
  9. Specimen, Paper 5, Q2(d)(ii) (1 mark): Determine the percentage uncertainty in E. percentage uncertainty in E = % [1]
  10. Specimen, Paper 5, Q2(d)(iii) (1 mark): Determine the absolute uncertainty in Q. absolute uncertainty in Q = [1] [Total: 15]
  11. Specimen, Paper 1, Q37 (1 mark): A battery with negligible internal resistance is connected in series with a resistor and a light- dependent resistor (LDR) as shown. P Q V V The light intensity

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