Easyphysics
GCSE - OCR Gateway
P1 - Energy for the home

Did you know? 

The Energy-Saver light bulb is 5 times more efficient than an ordinary filament bulb. 

 

      

 P1 Efficiency   

Syllabus Summary Questions Answers

       

    Specification reference

  • P1a: Heating houses.
    .
  • P1c: How insulation works.

    Learning outcome

  • To calculate efficiency.

    Keywords

  • Efficiency - useful energy.