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MHT CET 2023 (13 May, Shift 2) · Combination of Capacitors

Combination of Capacitors question from MHT CET 2023 (13 May, Shift 2)

Q45MHT CET 2023 · 13 MAY · SHIFT 2Medium

Combination of Capacitors

In the given figure, the equivalent capacitance between points A and B is

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Answer: (a)

First block: the two side wires make all three $C$ (top, diagonal, bottom) join the same two nodes, so they are in parallel: $3C$ .
Second block: the two loop wires connect the outer ends so that each of the three $C$ lies between the same two nodes: again $3C$ in parallel.
The two blocks are in series: $C_{AB} = \frac{3C\times 3C}{6C} = 1.5C$ .
So the answer is (a) 1.5 C.

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