The air can withstand an electric field of about 3.0 x 106 V/m before electrons will be split from molecules of air, creating an electrical discharge. If you place your fingertip 1.0 millimeter away from a doorknob, and a static discharge of .55 mA lasting for .010 seconds occurs, what is the capacitance of your fingertip one mm away from a doorknob?
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 air can withstand an electric field of about 3.0 x 106 V/m before electrons will be split from molecules of air, creating an electrical discharge. If you place your fingertip 1.0 millimeter away from a doorknob, and a static discharge of .55 mA lasting for .010 seconds occurs, what is the capacitance of your fingertip one mm away from a doorknob?
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