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Seven capacitors, each of capacitance 2 ...

Seven capacitors, each of capacitance `2 muF`, are to be combined to obtain a capacitance `10//11 muF`. Which of the following combinations is possible?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
`(1)/(C _(aq))= (1)/(2+2+2+2) + 1/2+1/2+1/2 or C _(eq) = 5/4 muF`
(2) `(1)/(C _(aq)) (1)/(2 +2) + 1/2 + 1/2 + 1/2+ 1/2+1/2 or C _(eq) = 4/11 muF`
(3) `(1)/(C _(eq))= (1)/(2+2+2) + 4/2 or C _(eq) = 6/13 muF ` (correct answer)
(4) `(1)/( C _(eq))= (1)/(2+2+2+2+2) + 1/2+1/2 or C _(eq) = 10/11 mu F.`
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