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.
Four parallel metal plates P1, P2, P3, and P4, each of area 7.75 cm2, are separated successively by a distance d = 1.19 mm, as shown in the figure below. P1 is connected to the negative terminal of a battery, and P2 to the positive terminal. The battery maintains a potential difference of 12.0 V.
pF
(b) What is the charge on P2?
pC
(c) If P4 is now connected to the positive terminal of the battery, what is the capacitance of the four plate system P1P2P3P4?
pF
(d) What is the charge on P4?
pC
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