Hi I am confused about How batteries behave in series and parallel. I read online and saw that as you stack more batteries in series, the voltage adds together and the mA's stay the same, and if you stack them in parallel, the mA's add together, and the voltages stay the same. But I have found nothing about series-parallel.

I am have assumed that the following two diagrams would be true based on how loads behave in series-parallel, but I am here to verify that the batteries will actually behave like this in practice, and that there are no hidden quirks in this setup.

1st Set: Parallel - - - 2nd Set: Series

For The sake of this Illustration Lets Say: -------Battery:1.5V 100mA -------Lamp:3V 200mA

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