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.
1.The spherical capacitor is composed of an outer conductor spherical shell and a small conductor ball inside. When the outer spherical shell is very large (the radius is infinite, or there is no outer spherical shell), what is the capacitance?And briefly analyze the characteristics and main influencing factors of the capacitor capacitance according to the results.(Use Q a b )
2.another is a dielectric is inserted into half of the parallel-plate capacitor, and the relative dielectric constant of the dielectric is κ.what is the capacitance?and briefly analyze the characteristics and main influencing factors of the capacitor capacitance according to the results.(Use Q d k l x)
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