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a capacitance of a parallel plate air capacitor is
Question:
A capacitance of a parallel plate air capacitor is \(10\mu\text{F}\). Dielectric constant of the medium to be introduced in between its plates is to double its capacitance is
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If a dielectric fully fills the capacitor gap: \[ C' = K C \]
KEAM - 2020
KEAM
Updated On:
Apr 29, 2026
\(2\)
\(3\)
\(4\)
\(2.5\)
\(1.5\)
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The Correct Option is
A
Solution and Explanation
For a dielectric-filled capacitor: \[ C'=KC \] To double the capacitance: \[ C'=2C \] So, \[ KC=2C \Rightarrow K=2 \] Hence, \[ \boxed{(A)\ 2} \]
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