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.
The figure shows a parallel-plate capacitor with a plate area A = 4.07 cm2 and plate separation d = 1.17 mm. The left half of the gap is filled with material of dielectric constant κ1 = 6.80; the right half is filled with material of dielectric constant κ2 = 12.0. What is the capacitance?
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