What is the effective capacitance between points X and Y?
A
12μF
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B
18μF
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C
24μF
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D
6μF
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Solution
The correct option is D6μF The following circuit can be redrawn as
Since the capacitors are behaving as passive element
Hence we can say that they are forming wheatstone bridge
Now we can say that we can eleminate 20μF capacitor as no current will flow through that branch.
Now Ceq=C1C2C1+C2+C3C4C3+C4⇒Ceq=6×66+6+6×66+6=6μF