In the given network capacitance, ${C_1} = 10\,\mu \,F,\,{C_2} = 5\,\mu \,F$ and ${C_3} = 4\,\mu \,F$. What is the resultant capacitance between $A$ and $B$.......$\mu \,F$
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(b) $C = \frac{{({C_1} + {C_2}) \times {C_3}}}{{({C_1} + {C_2}) + {C_3}}}$$ = \frac{{(5 + 10) \times 4}}{{5 + 10 + 4}} = \frac{{60}}{{19}} = 3.2\,\mu F$
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