The effective capacity between $A$ and $B$ in the figure given is
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(b) $\frac{1}{{{C_{eq}}}} = \frac{5}{6} + \frac{1}{8} + \frac{5}{6} = \frac{{20 + 3 + 20}}{{24}}$ $==>$ ${C_{eq}} = \frac{{24}}{{43}}\,\mu F$
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