Easyphysics
 WJEC  - GCSE Science
 Physics 1 - Energy

Did you know? 

It costs about £ 100 a year to boil water in the electric kettle for one hour a day. 

 

     

 P1 Cost of electricity  

Syllabus Summary Questions Answers

      

    Learning outcomes

  • To know what the power rating of an electrical appliance means.

  • To calculate the cost of using electrical devices.

    Keywords

  • Power rating - kilowatt - "kilowatt-hour" - Unit.