Q.A parallel plate capacitor with air has capacitance $C$ . When it is half-filled with a dielectric of constant $K$ , the capacitance becomes $C'$ . The value of $K$ if $C'/C = 1.8$ is (JEE Main 2023)

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The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.A parallel plate capacitor with air has capacitance CCC. When it is half-filled with a dielectric of constant KKK, the capacitance becomes C′C'C′. The value of KKK if C′/C=1.8C'/C = 1.8C′/C=1.8 is (JEE Main 2023)