An electron is held at point c. In what direction will it move when released? If it starts from rest, how fast will it be moving when it crosses the equipotential line that point b sits at? (You may need to look up a constant or two.) Answer the same questions, but for a proton placed at point b and eventually crossing c’s equipotential line.

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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.