The capacitor of capacitance C is charged to a potential difference AV and disconnected from the battery The separation between plates is then decreased by a factor of a. What is the capacitance Ca of the capacitor after the separation is changed. Ca : = aC O Ca = C

The capacitor of capacitance C is charged to a potential difference AV and disconnected from the battery The separation between plates is then decreased by a factor of a. What is the capacitance Ca of the capacitor after the separation is changed. Ca : = aC O Ca = C

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter27: Capacitors And Batteries

Section: Chapter Questions

Problem 12PQ

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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

The capacitor of capacitance C' is charged to a potential difference AV and disconnected from the
battery
The separation between plates is then decreased by a factor of a.
What is the capacitance Ca of the capacitor after the separation is changed.
Ca = aC
Ca = ¿C

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