Easyphysics

 
 GCSE Science - AQA
 
P1a Energy and Electricity
 
 

Did you know? 

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

 

 

      

 P1a Cost of electricity  

Syllabus Summary Questions Answers

      

   Specification reference

  • P1a: Why are electrical devices so useful?

    Learning outcomes

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

  • To calculate the cost of using electrical devices.

    Keywords

  • Power - kilowatt - "kilowatt-hour" - unit.