Power - GCSE Physics

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This video introduces the concept of power. Power is the rate of energy transfer i.e. the amount of energy transferred in a given time. The unit of power or what power is measured in is watts, W, which are equivalent to joules per second, J/s.

A process that transfers more energy in less time has a greater power than a process that transfers less energy in more time.

The equation for power is: power = energy/time or P = E/t

Thanks for watching,

Lewis

Relevant for GCSE Physics 9-1 in the following exam boards:
AQA (including Trilogy)
Edexcel
CCEA
OCR A
OCR B
CIE (Cambridge International Examinations) IGCSE
Edexcel International IGCSE

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