An air-filled 4.8 nF parallel-plate capacitor is connected to a battery where it acquires a charge of 8.2 nC. A piece of plastic then is inserted between the plates of the capacitor while still connected to the battery and the charge on the capacitor now becomes 23 nC. What is the dielectric constant of the plastic K, and what is the emf of the battery &?

An air-filled 4.8 nF parallel-plate capacitor is connected to a battery where it acquires a charge of 8.2 nC. A piece of plastic then is inserted between the plates of the capacitor while still connected to the battery and the charge on the capacitor now becomes 23 nC. What is the dielectric constant of the plastic K, and what is the emf of the battery &?

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.

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An air-filled 4.8 nF parallel-plate capacitor is connected to a battery where it acquires a charge of
8.2 nC. A piece of plastic then is inserted between the plates of the capacitor while still connected to
the battery and the charge on the capacitor now becomes 23 nC. What is the dielectric constant of
the plastic K, and what is the emf of the battery &?

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