A parallel-plate capacitor is charged using a 100 V battery; then the battery is removed. If a dielectric slab is slid between the plates, filling the space inside, the capacitor voltage drops to 30 V. By what factor does the charge on the capacitor change? What is the dielectric constant of the dielectric? a. b.

A parallel-plate capacitor is charged using a 100 V battery; then the battery is removed. If a dielectric slab is slid between the plates, filling the space inside, the capacitor voltage drops to 30 V. By what factor does the charge on the capacitor change? What is the dielectric constant of the dielectric? a. b.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 51P: An air-filled capacitor is made from two flat parallel plates 1.0 mm apart. The inside area of each...

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Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.

Question

A parallel-plate capacitor is charged using a 100 V battery; then the battery is
removed. If a dielectric slab is slid between the plates, filling the space inside, the
capacitor voltage drops to 30 V.
a.
By what factor does the charge on the capacitor change?
b. What is the dielectric constant of the dielectric?

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