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Lina_5913
#1 Posted : Monday, August 02, 2021 4:23:29 PM
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Hello,

I was wondering if you would be able to explain why in a resistance series, the current is the same but the voltage changes and vice versa for a parallel?

Also can you explain why in a capacitance series, charge stays the same but voltage changes and vice versa for parallel capacitance?

Thank you very much,
Lina
INSTR_Calla_139
#2 Posted : Monday, August 02, 2021 5:35:19 PM
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Hello Lina

In a resistance series there is only one path for the current to flow. Therefore the current over all the resistors will be the same. In this case, the voltage will drop the most over the largest resistor. However when it is set up in parallel, there are multiple ways for the current to flow. Therefore current will flow in the easiest path which means it will not always be divided up evenly. In this case the voltage drop will stay the same.

The same idea applies for capacitance series. In this case the current all has to flow on the same path therefore the charge will stay the same. For Parallel the current has options of which ways it will flow so the charge does not have to stay the same.

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