Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A capacitor has air as dielectric medium and two conducting plates of area 
and they are 
apart. When a slab of dielectric having area 
and 
thickness is inserted between the plates, one of the conducting plates has to be moved by 
to keep the capacitance same as in previous case. The dielectric constant of the slab is : (Given 
)
Text Solution
Verified by ExpertsThe correct answer is:
D
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