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.
When a conductor that contains excess charge attains electrostatic equilibrium, __________ .
| a. |
the electric potential varies from point to point everywhere inside the |
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| b. |
the entire surface of the conductor is an equipotential surface. |
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| c. |
the electric field at the counducting boundary is tangent to every point at the bounding surface. |
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| d. |
the excess charge is distributed uniformly throughout the volume of the conductor. |
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| e. |
the electric field is at its maximum value somewhere in the interior of the conductor. |
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