A large capacitance of 1.35 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.22 µm of Teflon, which has a dielectric constant of 2.1. 453.92 How is capacitance related to plate area and separation for a parallel plate capacitor? Did you consider the effect of the dielectric? m² (b) What is the maximum voltage that can be applied if the dielectric strength for Teflon is 60 x 105 V/m 253.2 (C) Find the maximum charge that can be stored. 506 How is the capacitance related to the charge and potential difference? C

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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.