As shown in the figure, two parallel plate capacitors having equal plate area of $200\,cm ^2$ are joined in such a way that $a \neq b$. The equivalent capacitance of the combination is $x \varepsilon_0 F$. The value of $x$ is $..........$.
  • A$4$
  • B$3$
  • C$5$
  • D$2$
JEE MAIN 2023, Diffcult
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