Easyphysics

 
 GCSE Science - AQA
 
P1a Energy and Electricity
 
 

Did you know? 

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

 

      

 P1a Efficiency   

Syllabus Summary Questions Answers


    Specification reference

  • P1a: What is meant by the efficient use of energy?

    Learning outcome

  • To calculate efficiency.

    Keywords

  • Efficiency - useful energy.