A 12 volt car battery contains how many 2-volt cells connected in series?
AFour
BEight
CSix
DTwelve
Answer & Solution
Correct answer: C. Six
1. Series cell voltages add.
2. 12 / 2 = 6 cells.
3. Four would give 8 V, eight 16 V and twelve 24 V.
_Source: Wikipedia, Series and parallel circuits, Cells and batteries_
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