1.

Find equivalent capacitance between A and B in the combination givenbelow. Each capacitor is of 2muF capacitance.

Answer»

Solution :Calculation of equilvalent capacitance.
Capacitors `C_(2),C_(3)` and `C_(4)` are in parallel
`:.C_(235)=C_(2)+C_(3)+C_(4)`
` :.C_(234)=6muF`
Capacitors `C_(1),C_(234)` and `C_(5)` are in series
`1/(C_(EQ))=1/(C_(1))+1/(C_(234))+1/(C_(5))=1/2+1/6+1/2`
`=7//6muF `
`C_("equialent)=6//7muF`


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