Question Video: Identifying Cells Connected in Series | Nagwa Question Video: Identifying Cells Connected in Series | Nagwa

# Question Video: Identifying Cells Connected in Series Science • Third Year of Preparatory School

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Which of the following diagrams shows three cells connected in series?

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### Video Transcript

Which of the following diagrams shows three cells connected in series?

Recall that in series means that the cells are connected one after another. So if we draw a path through a circuit with three cells connected in series, all three cells will be along that one path. Now, these diagrams don’t show complete circuits, only parts of circuits. But that’s okay. The idea is the same. We’re going to draw a path from one end of the diagram to the other. In the diagram on the right, there are three possible paths going from left to right across the diagram. One path goes up, across, back down, and out. One path goes straight across the middle of the diagram. And the last path goes down, across, back up, and out.

We can see that there is exactly one cell on each of these three possible paths. Since each path only has one cell, we know that this diagram doesn’t show three cells in series. Because if there were three cells in series, all three cells would be on the same path. In the diagram on the left, there’s only one path, and that path passes through all three cells. And three cells on one path is exactly what we would expect for three cells connected in series. So the diagram with three cells connected in series is the diagram on the left. Several cells connected in series are sometimes called a battery.

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