In the given figure the capacitors 
have a capacitance 4 μ μ F each if the capacitor C 2 has a capacitance 10 μ μ F, then effective capacitance between A and B will be
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Capacitance of capacitors 
each and capacitance of capacitor 
. If a battery is applied across A and B , the points b and c will be at the same potential (since 
).
Therefore no charge flows through 
.
We have the capacitors 
and 
in series. Therefore their equivalent capacitance,
Similarly, 
and 
are in series. Therefore their equivalent capacitance,
Now 
and 
are in parallel. Therefore effective capacitance between A and 
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