(1.) A 20 picoFarad capacitor has an area of 350 square (a.) How far apart are the plates? d=1.033 x 10^-4 m millimeters. (b.) If the capacitor is connected to a 4 Volt battery, how much charge is on the capacitor plates? = 80 x 10^-12 C (c.) What is the electric field inside the capacitor? = 2.581 x 10^4 C (d.) Now we insert a dielectric made of mica with a dielectric constant of 5.4. How much charge is now on the capacitor plate? Q 4.32 x 10^-10 C

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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.