You have three 25.0 F capacitors. What are all the various equivalent values of

Question

You have three 25.0 F capacitors.
What are all the various equivalent values of capacitance youcan make out of any combination (one, two, or all three) of thesecapacitors? I have 8.33, 12.5, 25, 50, 75 right now, butit's telling me I have the wrong number of answers what am Imissing? Can I combine 2 as a series with one paralleletc? You have three 25.0 F capacitors.
What are all the various equivalent values of capacitance youcan make out of any combination (one, two, or all three) of thesecapacitors? I have 8.33, 12.5, 25, 50, 75 right now, butit's telling me I have the wrong number of answers what am Imissing? Can I combine 2 as a series with one paralleletc?

Explanation / Answer

Three capacitors are connected in series           1 / Cs = 1 /C1 + 1/C2 + 1/ C3                        = 1 /25 + 1/25 + 1/25                         = 3 / 25            Cs      = 25/3 = 8.33F      Three capacitors are connected in parallel           Cp = C1 + C2 +C3                 = 25 +25+25                  = 75 F       one series with twoparallel               Cp   = 25+25 = 50 F                  Cs   = 50 *25 / 50+25                       = 16.667 F      two series with one parallel         Cs    =    25 / 2 =12.5 F

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