A parallel-plate capacitor has a plate separation d and plate area A. An uncharged (d - а)/2 metallic slab of thickness a is inserted midway between the plates. (d - a)/2 (A) Find the capacitance of the device. (B) Show that the capacitance of the original capacitor is unaffected by the insertion of the metallic slab if the slab is infinitesimally thin. (d - а)/2 (d - a)/2

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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.