By Team Aakash BYJU'S
A. C
B. 2C
C. C/2
D. None of Above
B. 2C
Move to next slide for explanation.
Points 1, 2, 3 are at the same potential (as they are connected by conducting wire). So the capacitor is short-circuited. It does not store any charge.
∴CAB=C+C=2C (parallel combination)
Hence, the option (C) is the correct answer.