MCQ
In the figure a capacitor is filled with dielectrics. The resultant capacitance is
  • A
    $\frac{2 \varepsilon_0 A}{ d }\left[\frac{1}{ k _1}+\frac{1}{ k _2}+\frac{1}{ k _2}\right]$
  • B
    $\frac{\varepsilon_0 A}{ d }\left[\frac{1}{ k _1}+\frac{1}{ k _2}+\frac{1}{ k _2}\right]$
  • C
    $\frac{2 \varepsilon_0 A}{ d }\left[ k _1+ k _2+ k _3\right]$
  • None of these

Answer

Correct option: D.
None of these
None of these

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