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?

Options

A.
B.
C.
D.

Answer

A

Explanation

In series,`c=(c_1c_2)/(c_1+c_2)`
`therefore ^(c)"net"=((10)(1))/(10+1)=10/11muF`