2.4 know some of the different ways in which electrical heating is used in a variety of domestic contexts

  • A common useful conversion is electrical energy –> heat 
  • These cables that carry electricity around the house have very low electrical resistance so they can make the unwanted conversion of electricity to heat as small as possible.

Uses –

  • Electric irons
  • Electric cookers
  • Kettles
  • Hair dryers


  • These cables still require resistance if the current flow is too large the cables themselves will overheat and possibly cause a fire

Soulution –

  • Fuses are used to stop this overheating, precisly why the correct fuse or circuit breaker needs to be used

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