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Power

Physics: AQA GCSE Higher, topic 1.1.18

Power

Power is the rate of energy transfer (or work done). The faster that energy is transferred (or work is done), the higher the power. The power (measured in watts) is equal to the work done (in joules) divided by the time (in seconds).

Speakers

Speakers

  • The more powerful a set of speakers is, the more sound energy will be produced.
Lightbulbs

Lightbulbs

  • The more powerful a lightbulb is, the more light energy will be produced.

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  • What is power the rate of?

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