Question Video: Identifying the Circuit Symbol for a Battery | Nagwa Question Video: Identifying the Circuit Symbol for a Battery | Nagwa

# Question Video: Identifying the Circuit Symbol for a Battery Science • Third Year of Preparatory School

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Which of the following is the correct circuit symbol for a battery?

01:15

### Video Transcript

Which of the following is the correct circuit symbol for a battery?

Recall that a battery is several cells connected in series. Looking at the symbols we are given, the one on the far right shows a single cell. This single cell is not a battery because a battery, by definition, consists of multiple cells. But we do expect that the circuit symbol for a battery will be similar to the circuit symbol for a single cell. Looking at the other three symbols, the symbol second from the right shows two cells with a dotted line between them. This dotted line represents the possibility that there may be other cells connected between these two cells.

But either way, all of the cells represented by this symbol are connected one after another. That is, they are connected in series. And indeed, this is the circuit symbol of a battery, cells connected in series. It’s worth mentioning the names of the other two symbols we see here. To the left of the battery is a resistor, and all the way on the left is a bulb. It’s worth knowing these symbols, in part because if we recognize these symbols as a bulb and a resistor, we could immediately identify them as incorrect answers.

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