The resultant capacity between points A and B in the given circuit is | MHT CET 2021 (21 Sep, Shift 1)

Q66MHT CET 2021 · 21 SEP · SHIFT 1Medium

Combination of Capacitors

The resultant capacity between points A and B in the given circuit is

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Answer: (c)

Start from the bottom right: the two lowest $C$ are both between the same node and the B line: $C + C = 2C$ .
In series with the $2C$ above: $C$ ; in parallel with the next $C$ to the B line: $2C$ .
In series with the top $2C$ : $C$ between A and B.
In parallel with the left $2C$ : $C_{AB} = C + 2C = 3C$ .
So the answer is (c) 3C.

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