What is the energy transformation?

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Energy and its Transformation

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Presentation transcript:

What is the energy transformation? Batteries can power many electrical devices. Photo credit (torch, drill): © 2011 Jupiterimages Corporation What kinds of energy do these devices transform electrical energy into?

What do we use electrical energy for? Electrical energy is very useful to us because it is easily changed into other kinds of energy. For example, a television changes electrical energy into light and sound, which help us communicate. In this case, electrical energy is also converted into energy that is not so useful – heat energy. light and sound energy electrical energy heat energy

Energy transfers in circuits

Energy transfers in everyday objects