NEET PhysicsClass 12Effect of dielectric on capacitanceMediumSingle correct

A parallel plate capacitor is charged by a battery to charge Q₀ and stored energy U₀. The battery is then disconnected, and a slab of dielectric constant K = 4 is inserted to fill the gap completely. What are the new charge and stored energy?

More NEET Physics chapters

Gravitation10 questions Kinetic Theory10 questions Laws of Motion9 questions Mechanical Properties of Fluids10 questions

© 2026 Lumi (Aikolumi Software Pvt Ltd). Original questions written by Lumi. Free to view and practise on this site. Copying, republishing or reproducing these questions, options or solutions, in print or online, is not permitted.

A parallel plate capacitor is charged by a battery to charge Q₀ and stored energy U₀. The battery is then disconnected, and a slab of dielectric constant K = 4 is inserted to fill the gap completely. What are the new charge and stored energy?

Practising is step one. Knowing what to practise next is the hard part.