(a) The potential difference between the plates of a 4.95-pF capacitor is 90 V. How much energy is stored in the capacitor? 20047.5 X m) (b) How much additional energy is required to increase the potential difference between the plates from 90 V to 180 V?

(a) The potential difference between the plates of a 4.95-pF capacitor is 90 V. How much energy is stored in the capacitor? 20047.5 X m) (b) How much additional energy is required to increase the potential difference between the plates from 90 V to 180 V?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 8.6CYU: Check Your Understanding The potential difference across a 5.0-pF capacitor is 0.40 V. (a) What is...

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Concept explainers

Dielectric Constant Of Water

Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.

Question

(a) The potential difference between the plates of a 4.95-pF capacitor is 90 V. How much energy is stored in the capacitor?
20047.5
X m)
(b) How much additional energy is required to increase the potential difference between the plates from 90 V to 180 V?

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