Whats the difference in connecting something in series and in parallel?
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Can someone please explain the difference in connecting something in series and in parallel. For example solar cells what would connecting them in series do, compared to connecting them in parallel? Thank You.
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Answer:
In a series... they add to each other. This is to increase Voltage. In parallel... they compliment each other. This is to add mAh. I'll use batteries for example: Series: A "AA" battery is 1.5V, if you add one more in a series, you'll have 3V, another will make it 4.5V. So it's 1.5 + 1.5 + 1.5 + 1.5 ...etc. for every battery that you add. The voltage increase, but the mAh stay the same. Parallel: A "AA" battery is 1.5V, if you add others in parallel, you'll always have 1.5V. So it's 1.5 = 1.5 = 1.5 = 1.5 ...etc. for every battery that you add. The voltage stays the same, but the mAh increases. Overall, devices need a certain amount of voltage to work, so if you can't have a single battery to do this, you increase the voltage by having more batteries. In parallel, it means that one setup of a certain voltage will last longer (by a factor of how many batteries you've added). So if you have a mp3 player that needs 1.5V (such as those that uses a single AAA). Then the battery will have enough power to make the player work until the mAh gets too low. (most good AAA are rated at 800-900mAh). If you used a AA (same 1.5V) that has 2000mAh, it will last a lot longer. And if you were to make a battery holder and have 2 AA in parallel, then you'd have 4000mAh, which means that this setup would last many times longer than the single AAA. Technically, if you were to setup an array of a hundred AA in parrallel, you would still have 1.5V, and your mp3 player would be able to play for years without stopping. This is the way that you "boost" a car, (booster/jumper cables). You put the cars in parallel so that the good battery and the functioning car is providing power to the car that's stalled.
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Other answers
With power sources, such as solar cells, putting them in parallel sums the current of each device, putting them in series sums the voltage. You can use a combination of series and parallel to increase both current and voltage somewhat. Other devices have similar double property effects when connected in series or parallel, or combinations thereof.
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