Electricity - Investigation 2

Investigate whether the length and thickness of a wire affects the brightness of a bulb

Produce a report which

  • Clearly sets out your method and the apparatus used
  • Includes a wide range of circuit diagrams
  • Records your results in a variety of interesting charts
  • Contains a detailed conclusion explaining your investigation

Your circuit needs to contain a switch to control the operations


  • How you are going to make the test fair
  • How you are going to record the brightness of the bulb