A parallel plate capacitor has two layers of dielectrics as shown in fig. This capacitor is connected across a battery, then the ratio of potential difference across the dielectric layers is
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$\frac{{{V_1}}}{{{V_2}}} = \frac{{{K_2}\frac{{A{ \in _0}}}{{2d}}}}{{{k_1}\frac{{{ \in _0}A}}{d}}} = \frac{{{K_2}}}{{2{K_1}}} = \frac{3}{2}$
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