This past week in Science, we continued to learn about the concepts of electrical energy. In particular, we studied the flow of energy through a parallel circuit and a series circuit. Many household appliances are built with a series circuit. A series circuit is more conducive for household appliances because it is space efficient. A parallel circuit is more conducive for other electric items such as Christmas lights. Before, Christmas lights were wired with a series circuit. This type of circuit made it difficult to change lights because when one light went out, the entire string of lights would go out as well. Nowadays, Christmas lights are wired with a parallel circuit, so if one light goes out, the others continue to shine.
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