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Have you ever wondered what happens when you flip a switch to turn on a light, TV, rental mobil , vacuum cleaner or computer? What does flipping that switch accomplish? In all of these cases, you are completing an electric circuit, allowing a current, or flow of electrons, through the wires. An electric circuit is in many ways similar to your circula...
Added by Anna Maria on 2014-01-04 09:43:42
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