Easyphysics

 P1: GCSE Science - EDEXCEL
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Did you know? 

The power is usually marked on the electric appliance . A kettle marked with 2 kW means it converts 2000 joules of electrical energy into heat in one second.

 

     

 P1 Power 

Syllabus Summary Questions Answers

       

       Power is the rate of transfer of electrical energy.

         Power = Voltage x current

         Power is measured in: Watt (W).       


  • Exam Tips ...

        You need to know how to calculate power from the above equation.

        Higher tier only: you need to be able to use this equation to calculate voltage and current.
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