Quelpr
2 marksCapacitors

CAPE Physics Unit 2 · 2017 · Paper 2 · Question 1(c)(i)

A capacitor of capacitance 10 nF is constructed using the same materials. Determine from the graph the dielectric thickness required for this 10 nF capacitor.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)Complete Columns 3 and 4 in Table 1 by calculating 1/d in mm⁻¹ and 1/d in m⁻¹.[2 marks]
  2. 1(b)Use the results in Table 1 to plot a graph of capacitance, C (nF), versus 1/d (m⁻¹) on the grid provided in Figure 1, and draw the line of best fit.[4 marks]
  3. 1(c)(ii)Sketch a graph showing the voltage charging characteristic when the 10 nF capacitor is charged to 200 V.[2 marks]
  4. 1(d)(i)State the formula used to calculate the capacitance of a parallel plate capacitor of area A and plate separation d with dielectric constant k.[1 mark]
  5. 1(d)(ii)State another term for the dielectric constant, k.[1 mark]
  6. 1(e)Calculate the capacitance of a parallel-plate capacitor constructed from two circular metal plates of radius 15 cm separated by 1.0 mm of dielectric material…[3 marks]

More practice: the rest of this paper · more Capacitors questions · all CAPE Physics Unit 2 past papers