Which of the following statements is correct ?

Physics Units and Measurements Significant Figures Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 11, 2026

By inserting a dielectric slab between the plates of an isolated capacitor, the force between the plates will increase.

The capacitance of a capacitor does not depend on the shape of the plates.

By inserting a dielectric slab between the plates of a capacitor, the energy density will increase.

By inserting a dielectric slab between the plates of a capacitor, the capacitance will decrease

Text Solution

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The correct answer is:

For an isolated capacitor (battery is disconnected) Charge on capacitor, constant

Force between the plates,

Force between plates will remain unchanged.

By inserting dielectric slab, the capacitance and energy density increases.

As, Capacitance depends on size of the plates.

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