Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A parallel plate capacitor with width 4 cm, length 8 cm and separation between the plates of 4mm is connected to a battery of 20 V. A dielectric slab of dielectric constant 5 having length 1cm, width 4 cm and thickness 4 mm is inserted between the plates of parallel plate capacitor. The electrostatic energy of this system will be......... 
J. (Where 
is the permittivity of free space)
Text Solution
Verified by ExpertsThe correct answer is:
240
(240)
Energy = 
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