Q. Five metallic plates each of area $A$ and separated from adjacent plate by a distance d as shown in figure. The capacitance of the system across $A$ and $B$ is:

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A

$\frac{A \in _{0}}{d}$

16%

B

$\frac{2 A \in _{0}}{d}$

48%

C

$\frac{3 A \in _{0}}{d}$

28%

D

$\frac{4 A \in _{0}}{d}$

8%

Solution:

$C = \frac{3 A ϵ _{0}}{d}$

Solution Image