0. Two parallel plates have a capacitance value of 0.17 µF when they are 1.5 mm apart. They are connected permanently to a 100-V power supply. If you pull the plates out to a distance of 4.5 mm, (a) what is the electric field between them? (b) By how much has the capaci- tor's charge changed? (c) By how much has its energy storage changed? (d) Repeat these calculations assuming the power supply is disconnected before you pull the plates further apart.

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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.