maria724243 maria724243

17-05-2017
Physics

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Why is an energy source needed in order to have a working circuit

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edw2edw edw2edw

17-05-2017

Well, everything needs a source of energy to work. Without some source of energy, a circuit cannot work. For example, when you're tired, you can't function well as opposed if you a had good rest, a healthy breakfast, coffee, etc.

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