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2 marksElectricity, Lighting and Safety

CSEC Integrated Science · May/June 2016 · Paper 2 · Question 6(a)

A 12 V, 18 A portable tire pump blows a 15 A car fuse immediately upon starting. Available fuse ratings are 10 A, 15 A, and 20 A.

State the function of an electrical fuse and give ONE reason why aluminium foil should never be used as a replacement.

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Other parts of this question

  1. 6(b)Calculate the electrical power of the tire pump, stating the correct unit.[4 marks]
  2. 6(c)Name TWO materials suitable for making electrical conducting wires.[2 marks]
  3. 6(d)With the aid of a labelled diagram, describe how white light from car headlamps can be dispersed into its component spectrum colours.[7 marks]

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