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.
Please provide an adequate explanation.
1. Are electric field vectors always perpendicular to equipotential lines? Why or why not?
2. If we introduced a negative test charge into our disc-rod system, where do we expect the charge to go? Why?
3. Suppose that we configured the system such that the rod has the higher potential than the disc:
a. Which region(s) will have the strongest and weakest electric fields? Why?
b. What will be the general direction of the electric field?
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