22. As a person moves about in a dry environment, electric charge accumulates on the person's body. Once it is at high voltage, either positive or negative the body can discharge via sparks and shocks. Consider a human body isolated from ground, with the typical capacitance 150 pF. A) What charge on the body will produce a potential of 10.0 kV? B) Sensitive electronic devices can be destroyed by electrostatic discharge from a person. A particular device can be destroyed by a discharge releasing energy of 250 µJ. To what voltage on the body does the situation correspond?

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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.