\(C_{\text {net }}=\frac{k+1}{2} \frac{A \varepsilon_0}{d}\)
\(C_{\text {net }}=\frac{A \varepsilon_0}{d-t\left(1-\frac{1}{2}\right)}=\frac{A \varepsilon_0}{d-\frac{t}{2}}\)
\(C_{\text {net }}=\frac{3 A \varepsilon_0}{2 d}\)
\(\frac{3 A \varepsilon_0}{2 d}=\frac{A \varepsilon_0}{d-\frac{t}{2}}\)
[$\ln 2=0.69$ લો]