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3 marksCapacitors

CAPE Physics Unit 2 · 2007 · Paper 2 · Question 5(b)(i)

Derive the formula for the equivalent capacitance of two capacitors connected in series.

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Other parts of this question

  1. 5(a)(i)Define the farad, the unit of capacitance.[1 mark]
  2. 5(a)(ii)Describe how the dimensions of a parallel plate capacitor affect its capacitance.[2 marks]
  3. 5(b)(ii)Derive the formula for the equivalent capacitance of two capacitors connected in parallel.[2 marks]
  4. 5(c)(i)Find the equivalent capacitance of the network of capacitors in the circuit shown in Figure 3.[4 marks]
  5. 5(c)(ii)Calculate the total charge stored by this system of capacitors.[2 marks]
  6. 5(c)(iii)Determine the charge stored by the 8 μF capacitor and the potential difference across it.[2 marks]
  7. 5(c)(iv)Find the charge on the 10 μF capacitor.[2 marks]
  8. 5(c)(v)Calculate the total energy stored by this system.[2 marks]

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