Question

Figure below shows four plates each of area A and separated from one another by a distance d. What is the capacitance between P and Q–

• A. $\frac { \varepsilon _ { 0 } \mathrm {~A} } { \mathrm {~d} }$
• B.
• C. $\frac { 3 \varepsilon _ { 0 } A } { d }$
• D. $\frac { 4 \varepsilon _ { 0 } \mathrm {~A} } { \mathrm {~d} }$

Answer 1

Answer: (B)

Answer 2

By using point potential method equivalent circuit is

\ C_eq =