Seven capacitors each of capacitance 2mu...

Seven capacitors each of capacitance `2muF` are to be connected in a configuration to obtain an effective capacitance of `(10/11)muF`. Which of the combination (s) shown in figure will achieve the desired result?

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The correct Answer is:

Verify the cases individually
`C_(ef f)=nc, Q=C_(e f f)V`

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